VASOMEDICAL INC
8-K, 1998-05-11
ELECTROMEDICAL & ELECTROTHERAPEUTIC APPARATUS
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D. C. 20549


                                    FORM 8-K

                                 CURRENT REPORT

                       Pursuant to Section 13 or 15 (d) of
                       the Securities Exchange Act of 1934


                         Date of Report: April 30, 1998
                        (Date of earliest event reported)



Commission File Number: 0-18105
                        ------- 


                                VASOMEDICAL, INC.
- --------------------------------------------------------------------------------
             (Exact name of registrant as specified in its charter)

         DELAWARE                                       11-2871434

(State or other jurisdiction of          (I.R.S. Employer Identification Number)
 incorporation or organization)

180 Linden Avenue, Westbury, New York                     11590
- --------------------------------------------------------------------------------
(Address of Principal Executive Offices)            (Zip Code)

Registrant's Telephone Number, Including Area Code  (516) 997-4600
                                                     -------------

- --------------------------------------------------------------------------------

(Former name or former address, if changed since last report.)

<PAGE>
Item 5. Other Events

     On April 30, 1998, Vasomedical,  Inc. (the "Company") issued 175,000 shares
of newly created 5% Series C Convertible  Preferred Stock,  $.01 par value, at a
price of $20 per share, for an aggregate of $3,500,000.  The shares were sold to
one (1)  accredited  investor  pursuant to  Regulation D  promulgated  under the
Securities Act of 1933. The Series C Convertible  Preferred Stock is convertible
into Common Stock of the Company at an effective  conversion  price of the lower
of (i)  $2.08,  or (ii) 85% of the  average  closing  bid  price  on the  Nasdaq
SmallCap  Market System of the  Company's  Common Stock for the five (5) trading
days immediately preceding the Date of Conversion, as defined in the Certificate
of Designation of the Series C Convertible  Preferred  Stock attached  hereto as
Exhibit 3.1. In addition, the Investor was issued five-year warrants to purchase
413,712 shares of Common Stock at an exercise price of $2.08 per share.


Item 7. Financial Statements, Pro Forma Information and Exhibits

  (a) and (b) Financial Statements and Pro Forma Information
       None.

  (c) Exhibits


          Exhibit 3.1    Certificate  of  Designation  of  Series  C Convertible
                         Preferred  Stock of Vasomedical, Inc. as filed with the
                         Delaware Secretary of State on May 1, 1998.

          Exhibit 4.1    Purchase  Agreement  between  Vasomedical, Inc. and JNC
                         Opportunity Fund, Ltd., dated as of April 30, 1998.

          Exhibit 4.2    Registration Rights Agreement between Vasomedical, Inc.
                         and JNC Opportunity Fund, Ltd., dated as of April 30,
                         1998.

          Exhibit 4.3    Form of Warrant dated April 30, 1998.

          Exhibit 99.1   Press Release dated May 8, 1998.


<PAGE>
       Pursuant to the requirements of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.


                                VASOMEDICAL, INC.

                           By:  /s/ Anthony Viscusi
                                -------------------
                                Anthony Viscusi
                                President and CEO (Principal Executive
                                Officer)

                                /s/ Joseph A. Giacalone
                                -----------------------
                                Joseph A. Giacalone
                                Treasurer and Secretary (Principal Financial
                                and Accounting Officer)


Date:  May 11, 1998




                          CERTIFICATE OF DESIGNATION OF
                     SERIES C CONVERTIBLE PREFERRED STOCK OF
                                VASOMEDICAL, INC.



     The  undersigned,  Anthony Viscusi and Joseph A. Giacalone,  hereby certify
that:

          I. They are the duly  elected  and  acting  President  and  Secretary,
respectively, of Vasomedical, Inc., a Delaware corporation (the "Company").

          II.  The  Certificate  of  Incorporation  of  the  Company  authorizes
1,000,000 shares of preferred stock, par value $.01 per share, (of which 500,000
shares have been  designated as Class  Preferred  Stock,  Series A, and of which
150,000  shares have been  designated as Class  Preferred  Stock,  Series B), of
which no Series A shares are issued and  outstanding  and 58,000 Series B Shares
are issued and outstanding.

          III.  The  following is a true and correct  copy of  resolutions  duly
adopted by the Board of Directors of the Company (the "Board of Directors") at a
meeting duly held April 30, 1998, which  constituted all requisite action on the
part of the Company for adoption of such resolutions.

                                   RESOLUTIONS

          WHEREAS,  the Board of  Directors  is  authorized  to provide  for the
issuance of shares of  preferred  stock from time to time in one or more series,
and by  filing a  certificate  pursuant  to the  applicable  law of the State of
Delaware,  to establish from time to time the number of shares to be included in
each  such  series,  and to fix or alter the  dividend  rights,  dividend  rate,
conversion  rights,  voting  rights,  rights  and terms of  redemption  (and any
sinking  fund  provisions),  redemption  price or  prices,  and the  liquidation
preferences of any wholly unissued series of preferred stock.

          WHEREAS, the Board of Directors desires,  pursuant to its authority as
aforesaid,  to  designate  a new series of  preferred  stock,  set the number of
shares constituting such series and fix the rights, preferences,  privileges and
restrictions of such series.
<PAGE>
          NOW,  THEREFORE,  BE IT RESOLVED,  that the Board of Directors  hereby
designates a new series of preferred stock and the number of shares constituting
such  series and fixes the  rights,  preferences,  privileges  and  restrictions
relating to such series as follows:

          Section 1. Designation,  Amount and Par Value. The series of preferred
stock  shall be  designated  as the Series C  Convertible  Preferred  Stock (the
"Preferred  Stock"),  and the  number of shares so  designated  shall be 175,000
(which  shall not be subject to  increase  without  the  consent of the  holders
thereof). Each share of Preferred Stock shall have a par value of $.01 per share
and a stated value of $20 per share (the "Stated Value").

          Section 2.     Dividends.

          (a) Holders of Preferred Stock shall be entitled to receive,  when and
as declared by the Board of Directors out of funds legally  available  therefor,
and the  Company  shall pay,  cumulative  dividends  at the rate per share (as a
percentage  of the Stated  Value per share) equal to 5% per annum,  payable,  in
cash or shares of Common Stock (in accordance  with the delivery terms hereof as
defined in Section 7) at the option of the Company, quarterly in arrears, but in
no event later than the Conversion Date (as hereinafter  defined)  applicable to
such share of Preferred  Stock in  accordance  with the delivery  terms  hereof.
Dividends on the  Preferred  Stock shall accrue  daily  commencing  the Original
Issue Date (as defined in Section 7), and shall be deemed to accrue on such date
whether or not earned or declared and whether or not there are profits,  surplus
or other funds of the Company legally available for the payment of dividends. If
dividends are to be paid in shares of Common  Stock,  the number of shares to be
issued shall equal the cash sum of the dividends divided by the Conversion Price
(as defined in Section  5(c)(i))  as of the date paid.  The party that holds the
Preferred Stock of record on an applicable  record date for any dividend payment
will be  entitled to receive  such  dividend  payment and any other  accrued and
unpaid  dividends  which accrued prior to such  dividend  payment date,  without
regard to any sale or  disposition  of such  Preferred  Stock  subsequent to the
applicable record date but prior to the applicable dividend payment date. Except
as  otherwise  provided  herein,  if at any time the Company  pays less than the
total amount of dividends then accrued on account of the Preferred  Stock,  such
payment shall be  distributed  ratably among the holders of the Preferred  Stock
based upon the number of shares held by each holder. Payment of dividends on the
Preferred  Stock is  further  subject  to the  provisions  of  Section  5(c)(i).
Notwithstanding  anything to the contrary contained herein, the Company may not,
without the written consent of the holders of a majority of the then outstanding
Preferred  Stock,  pay dividends in cash on the Preferred  Stock unless both the
payment  thereof and the retention of such paid cash by the holders is consented
to in writing free of any  subordination  prior  thereto by all lenders and debt
holders of the  Company  or by all  holders  of any class of  securities  of the
Company who by agreement have the right to consent to or force the subordination
of such payment.

          (b)  Notwithstanding  anything to the contrary  contained herein,  the
Company may not issue shares of Common  Stock in payment of dividends  (and must
deliver cash in respect thereof) on the Preferred Stock if:
<PAGE>
               (i) the number of shares of Common Stock at the time  authorized,
unissued  and  unreserved  for  all  purposes,  or held as  treasury  stock,  is
insufficient to issue such dividends to be paid in shares of Common Stock;

               (ii) such  shares are not  registered  for resale  pursuant to an
effective  registration statement that names the recipient of such dividend as a
selling  stockholder  thereunder or may not be sold without volume  restrictions
pursuant to Rule 144  promulgated  under the  Securities Act of 1933, as amended
(the  "Securities  Act"), as determined by counsel to the Company  pursuant to a
written  opinion  letter,  addressed  to  the  holder,  in  form  and  substance
acceptable to such holder;

               (iii) such  shares are not listed on the Nasdaq  SmallCap  Market
(or the American Stock  Exchange,  Nasdaq  National Market or The New York Stock
Exchange) and any other  exchange or quotation  system on which the Common Stock
is then listed for trading; or

               (iv) the issuance of such shares  would  result in the  recipient
thereof beneficially owning, in accordance with Rule 13d-3 promulgated under the
Securities  Exchange Act of 1934,  as amended (the  "Exchange  Act"),  more than
4.99% of the issued and outstanding shares of Common Stock.

          (c)  Notwithstanding   anything  to  the  contrary  contained  herein,
dividends  in  respect  of the  Preferred  Stock will cease to accrue if the Per
Share Market Value for any  consecutive 10 Trading Day period  commencing  after
the date that an Underlying Shares Registration Statement (as defined in Section
5) is  declared  effective  by  the  Securities  and  Exchange  Commission  (the
"Commission")  exceeds  the Initial  Conversion  Price by more than 50%. In such
event, dividends accrued through such date shall be due and payable.

          (d) So long as any Preferred Stock shall remain  outstanding,  neither
the Company nor any  subsidiary  thereof  shall  redeem,  purchase or  otherwise
acquire directly or indirectly any Junior  Securities (as defined in Section 7),
nor shall the Company directly or indirectly pay or declare any dividend or make
any distribution (other than a dividend or distribution  described in Section 5)
upon, nor shall any  distribution be made in respect of, any Junior  Securities,
nor shall any monies be set aside for or applied to the  purchase or  redemption
(through  a sinking  fund or  otherwise)  of any  Junior  Securities  unless all
accrued  and  unpaid  dividends  on the  Preferred  Stock for all past  dividend
periods shall have been paid.

          Section 3. Voting Rights.  Except as otherwise  provided herein and as
otherwise  required by law,  the  Preferred  Stock shall have no voting  rights.
However,  so long as any shares of Preferred Stock are outstanding,  the Company
shall not,  without  the  affirmative  vote of the  holders of a majority of the
shares of the Preferred Stock then  outstanding,  (a) alter or change  adversely
the powers,  preferences  or rights given to the Preferred  Stock,  (b) alter or
amend this  Certificate  of  Designation or (c) authorize or create any class of
stock ranking as to dividends or  distribution  of assets upon a Liquidation (as
defined in Section 4) senior to the Preferred Stock.
<PAGE>
          Section  4.   Liquidation.   Upon  any  liquidation,   dissolution  or
winding-up of the Company,  whether voluntary or involuntary (a  "Liquidation"),
the holders of Preferred Stock shall be entitled to receive out of the assets of
the  Company,  whether  such assets are  capital or  surplus,  for each share of
Preferred  Stock an amount equal to the Stated Value plus all accrued but unpaid
dividends per share, whether declared or not, before any distribution or payment
shall be made to the holders of any Junior Securities,  and if the assets of the
Company  shall be  insufficient  to pay in full such  amounts,  then the  entire
assets to be distributed to the holders of Preferred  Stock shall be distributed
among the holders of Preferred  Stock ratably in accordance  with the respective
amounts that would be payable on such shares if all amounts payable thereon were
paid in full. A sale,  conveyance or disposition of all or substantially  all of
the assets of the Company or the effectuation by the Company of a transaction or
series of related transactions in which more than 33% of the voting power of the
Company is disposed of, or a consolidation or merger of the Company with or into
any other  company  or  companies  shall not be treated  as a  Liquidation,  but
instead shall be subject to the  provisions of Section 5. The Company shall mail
written  notice  of any such  Liquidation,  not less  than 45 days  prior to the
payment date stated therein, to each record holder of Preferred Stock.

          Section 5.     Conversion.

          (a)(i)(A)  Each share of  Preferred  Stock shall be  convertible  into
shares of Common Stock (subject to reduction  pursuant to Section 5(a)(ii) below
and Section  4.10 of the  Purchase  Agreement  (as defined in Section 7)) at the
Conversion  Ratio (as defined in Section 7) at the option of the holder in whole
or in part at any time after the earlier to occur of (A) the 105th day after the
Original Issue Date or (B) the date the Commission  declares effective under the
Securities Act, a registration statement contemplated by the Registration Rights
Agreement  (as  defined  in  Section  7) (the  "Underlying  Shares  Registration
Statement"). The holder shall effect conversions by surrendering the certificate
or  certificates  representing  the shares of Preferred Stock to be converted to
the Company,  duly endorsed or  accompanied  by a validly  executed stock power,
together with the form of conversion  notice  attached  hereto as Exhibit A (the
"Holder  Conversion  Notice").  Each Holder  Conversion Notice shall specify the
number of shares of Preferred  Stock to be converted  and the date on which such
conversion is to be effected, which date may not be prior to the date the Holder
Conversion Notice is deemed delivered  hereunder (the "Holder Conversion Date").
If no Holder  Conversion Date is specified in a Holder  Conversion  Notice,  the
Holder  Conversion  Date shall be the date that the Conversion  Notice  (defined
below) is deemed  delivered  pursuant to Section 5(h).  Subject to Sections 5(b)
and  5(a)(ii)  hereof and Section 4.10 of the  Purchase  Agreement,  each Holder
Conversion Notice, once given, shall be irrevocable. If the holder is converting
less than all  shares of  Preferred  Stock  represented  by the  certificate  or
certificates  tendered by the holder with the Holder Conversion  Notice, or if a
conversion  hereunder  cannot be effected  in full for any  reason,  the Company
shall  promptly  deliver  to such  holder (in the manner and within the time set
forth in Section  5(b)) a  certificate  for such  number of shares of  Preferred
Stock as have not been converted.
<PAGE>
               (B) After the third anniversary of the date the Underlying Shares
Registration Statement is declared effective by the Commission, which date shall
be extended by any days the Holder is unable to sell Underlying Shares under the
Underlying Shares  Registration  Statement as a result of (1) the failure of the
Underlying Shares Registration  Statement being effective and not subject to any
suspension  or  blackout,  (2) any action  taken by the Company to prevent  such
ability to sell  Underlying  Shares  under the  Underlying  Shares  Registration
Statement or (3) a delisting or suspension  of trading of the Common Stock,  the
Company may require the conversion of all or any portion of the then outstanding
and unconverted  shares of Preferred  Stock at the Conversion  Ratio (subject to
reduction  pursuant to Section  5(a)(ii)  below and Section 4.10 of the Purchase
Agreement) by  delivering  to the Holder of such shares to be converted  written
notice (the "Company Conversion Notice"),  provided, that, no such conversion is
permitted unless at the time of delivery of the Company Conversion Notice and on
the Company  Conversion Date (as defined  below),  (a) no less than 10 days have
passed  since  the  issuance  of any press  release  or other  public  statement
relating to such conversion,  (b) an Underlying  Shares  Registration  Statement
covering the resale of the shares of Common Stock issuable upon such  conversion
is effective and (c) the shares of Common Stock  issuable  upon such  conversion
are listed for trading on the Nasdaq  SmallCap  Market and any other exchange or
quotation  system on which the Common  Stock is then  listed for  trading.  Each
Company  Conversion Notice shall specify the number of shares of Preferred Stock
to be converted and the date on which such  conversion is to be effected,  which
date  may not be  prior to the day  after  the  Company  delivers  such  Company
Conversion  Notice by facsimile (the "Company  Conversion  Date"). If no Company
Conversion  Date is  specified  in a  Company  Conversion  Notice,  the  Company
Conversion Date shall be the date that the Conversion Notice is deemed delivered
pursuant to Section 5(h). A Holder Conversion Date and a Company Conversion Date
are  sometimes  referred  to  herein  as  the  "Conversion  Date"  and a  Holder
Conversion Notice and a Company Conversion Notice are sometimes referred to as a
"Conversion Notice." Any conversion pursuant to this Section 5(a)(i)(B) shall be
subject to Section 5(b) with respect to consequences of the Company's failure to
deliver shares of Common Stock in respect of a conversion under this Section. If
the Company is converting less than all shares of Preferred Stock represented by
the certificate or certificates  tendered by the Holder in response to a Company
Conversion  Notice, or if a conversion  hereunder cannot be effected in full for
any reason,  the Company shall promptly deliver to such tendering Holder (in the
manner and within the time set forth in  Section  5(b)) a  certificate  for such
number of shares as have not been converted.

               (ii)  Certain  Regulatory  Approval.  If on the  Conversion  Date
applicable to any  conversion  under this Section 5(a),  (A) the Common Stock is
then  listed for trading on the Nasdaq  National  Market or the  American  Stock
Exchange or if the rules of the Nasdaq  Stock  Market are  hereafter  amended to
extend  Rule  4460(i)  promulgated  thereby  (or any  successor  or  replacement
provision  thereof) to the Nasdaq  SmallCap  Market and the Common Stock is then
listed for trading on such market,  (B) the  Conversion  Price then in effect is
such that the  aggregate  number of shares of Common  Stock  that  would then be
issuable upon conversion of all outstanding shares of Preferred Stock,  together
<PAGE>
with any shares of Common Stock  previously  issued upon conversion of Preferred
Stock and in respect of payment of  dividends  hereunder,  would equal or exceed
20% of the number of shares of Common Stock  outstanding  on the Original  Issue
Date (the "Issuable  Maximum"),  and (C) the Company has not previously obtained
Shareholder  Approval (as defined  below),  then the Company  shall issue to the
converting  holder of the Preferred Stock the Issuable Maximum and, with respect
to any shares of Common Stock that  otherwise  would have been  issuable to such
holder in respect of the Conversion  Notice at issue or in respect of payment of
dividends hereunder in excess of the Issuable Maximum, the holder shall have the
option to require the Company to either (1) as promptly as  possible,  but in no
event later than 60 days after such  Conversion  Date,  convene a meeting of the
holders of the Common Stock and use its best  efforts to obtain the  Shareholder
Approval or (2) redeem,  from funds  legally  available  therefor at the time of
such  redemption,  the balance of the Preferred Stock subject to such Conversion
Notice at a price per share  equal to the  product  of (i) the Per Share  Market
Value for the Trading Day  immediately  preceding (1) the Conversion Date or (2)
the date of payment in full by the Company of the redemption price, whichever is
greater,  and (ii) the  Conversion  Ratio  calculated  on the  Conversion  Date;
provided,  however,  that if the holder has  requested  that the Company  obtain
Shareholder  Approval  under  paragraph  (1) above and the Company fails for any
reason to obtain such  Shareholder  Approval within the time period set forth in
(1) above,  the Company  shall be  obligated to redeem the  Preferred  Stock not
converted as a result of the  provisions of this Section in accordance  with the
provisions of paragraph (2) above, and in such case the interest contemplated by
the  immediately  succeeding  sentence  shall  be  deemed  to  accrue  from  the
Conversion  Date. If the holder has requested  that the Company redeem shares of
Preferred Stock pursuant to this Section and the Company fails for any reason to
pay the redemption  price under (2) above within seven days after the Conversion
Date,  the Company will pay interest on such  redemption  price at a rate of 15%
per  annum to the  converting  holder  of  Preferred  Stock,  accruing  from the
Conversion Date until the redemption  price plus any accrued interest thereon is
paid in full. The entire redemption price,  including interest thereon, shall be
paid in cash. Unless a greater vote is required by applicable law,  "Shareholder
Approval"  means the  approval  by a  majority  of the total  votes  cast on the
proposal, in person or by proxy, at a meeting of the shareholders of the Company
held in accordance with the Company's  Certificate of Incorporation and by-laws,
of the issuance by the Company of shares of Common Stock  exceeding the Issuable
Maximum as a consequence of the conversion of Preferred  Stock into Common Stock
at a price  less than the  greater of the book or market  value on the  Original
Issue Date as and to the extent required  pursuant to Rule 4460(i) of the Nasdaq
Stock Market or Rule 713 of the  American  Stock  Exchange (or any  successor or
replacement provision thereof), as applicable.

          (b) Not later than three Trading Days after the  Conversion  Date, the
Company will deliver to the converting  holder (i) a certificate or certificates
which shall be free of restrictive legends and trading  restrictions (other than
those required by Section  4.1(b) of the Purchase  Agreement)  representing  the
number of shares of Common Stock being acquired upon the conversion of shares of
Preferred Stock (subject to reduction  pursuant to Section 5(a)(iii) and Section
4.10 of the Purchase  Agreement) and (ii) one or more certificates  representing
the number of shares of Preferred Stock not converted;  provided,  however, that

<PAGE>
the Company shall not be obligated to issue  certificates  evidencing the shares
of Common Stock issuable upon  conversion of any shares of Preferred Stock until
certificates  evidencing such shares of Preferred Stock are either delivered for
conversion  to the  Company or any  transfer  agent for the  Preferred  Stock or
Common Stock duly endorsed or accompanied by a validly  executed stock power, or
the holder of such Preferred  Stock notifies the Company that such  certificates
have been lost,  stolen or  destroyed  and  provides  a bond (or other  adequate
security)  reasonably  satisfactory to the Company to indemnify the Company from
any  loss  incurred  by it in  connection  therewith.  If in  the  case  of  any
Conversion  Notice such  certificate  or  certificates,  including  for purposes
hereof,  any  shares of Common  Stock to be  issued  on the  Conversion  Date on
account of accrued but unpaid  dividends  hereunder,  are not delivered to or as
directed by the applicable  holder by the third Trading Day after the Conversion
Date,  the holder shall be entitled by written notice to the Company at any time
on or before its receipt of such  certificate  or  certificates  thereafter,  to
rescind such conversion, in which event the Company shall immediately return the
certificates representing the shares of Preferred Stock tendered for conversion.
If the Company fails to deliver to the holder such  certificate or  certificates
pursuant to this Section,  including for purposes  hereof,  any shares of Common
Stock to be issued on the  Conversion  Date on  account  of  accrued  but unpaid
dividends hereunder, prior to the expiration of the fourth Trading Day after the
Conversion  Date,  the Company shall pay to such holder,  in cash, as liquidated
damages and not as a penalty,  $1,500 for each day after such fourth Trading Day
until such  certificates  are delivered.  If the Company fails to deliver to the
holder such  certificate or  certificates  pursuant to this Section prior to the
20th day after the Conversion  Date, the Company shall,  at the holder's  option
(i)  redeem,  from  funds  legally  available  therefor  at  the  time  of  such
redemption,  such number of shares of Preferred  Stock then held by such holder,
as requested by such  holder,  and (ii) pay all accrued but unpaid  dividends on
account of the Preferred  Stock for which the Company shall have failed to issue
Common Stock  certificates  hereunder,  in cash. The redemption  price per share
shall be equal to the product of (A) the average Per Share  Market Value for the
five (5) Trading Days  immediately  preceding (1) the Conversion Date or (2) the
date of payment in full by the Company of such  redemption  price,  whichever is
greater, and (ii) the Conversion Ratio calculated on the Conversion Date. If the
holder has requested that the Company redeem shares of Preferred  Stock pursuant
to this Section and the Company fails for any reason to pay the redemption price
under (2) above within seven days after such notice is deemed delivered pursuant
to Section 5(h), the Company will pay interest on the redemption price at a rate
of 15% per annum,  in cash to such holder,  accruing from such seventh day until
the redemption price and any accrued interest thereon is paid in full.

          (c) (i) The  conversion  price for each share of Preferred  Stock (the
"Conversion  Price") in effect on any Conversion Date shall be the lesser of (a)
$2.08 (the  "Initial  Conversion  Price")  or (b) 85% of the  average of the Per
Share  Market  Value for the five (5) Trading  Days  immediately  preceding  the
Conversion  Date;  provided  that,  (a) if the  Underlying  Shares  Registration
Statement  is not  filed on or prior to the 92nd day after  the  Original  Issue
Date,  or (b) the  Company  fails to file  with the  Commission  a  request  for
acceleration in accordance with Rule 12d1-2  promulgated  under the Exchange Act
within  five (5) days of the date that the  Company  is  notified  (orally or in
<PAGE>
writing,  whichever  is earlier) by the  Commission  that an  Underlying  Shares
Registration  Statement  will not be  "reviewed"  or is not  subject  to further
review  or  comment  by  the  Commission,   or  (c)  if  the  Underlying  Shares
Registration  Statement is not declared  effective by the Commission on or prior
to the 105th day after the Original Issue Date, or (d) if such Underlying Shares
Registration  Statement is filed with and declared  effective by the  Commission
but thereafter ceases to be effective as to all Registrable  Securities (as such
term is defined in the Registration  Rights  Agreement) at any time prior to the
expiration  of the  "Effectiveness  Period"  (as  such  term as  defined  in the
Registration Rights Agreement),  without being succeeded within 10 Business Days
by a subsequent Underlying Shares Registration Statement filed with and declared
effective  by the  Commission,  or (e) if trading in the Common  Stock  shall be
suspended  for any  reason  for more  than  three  Trading  Days,  or (f) if the
conversion  rights of the holders of Preferred Stock hereunder are suspended for
any reason,  or (g) after an Underlying Shares  Registration  Statement has been
declared  effective by the Commission,  if holders of Preferred Stock are unable
to  utilize  an  Underlying  Shares  Registration  Statement  for the  resale of
Registrable Securities for an aggregate of ten (10) Trading Days in any 360 days
after the Original Issue Date (any such failure being referred to as an "Event,"
and for  purposes  of  clauses  (a),  (c) and (f) the date on which  such  Event
occurs,  or for purposes of clause (g) the Business Day after such Event occurs,
or for purposes of clause (b) the date on which such five
(5) days  period is  exceeded,  or for  purposes of clause (d) the date on which
such 10 Business Day-period is exceeded,  or for purposes of clause (e) the date
on which such three Trading Day period is exceeded,  being referred to as "Event
Date"),  the Conversion Price shall be decreased by 2.5% each month (i.e., 82.5%
as of the Event Date and 80% as of the one month  anniversary of the Event Date)
until the earlier to occur of the second month  anniversary after the Event Date
and such time as the  applicable  Event is cured.  Commencing  the second  month
anniversary  after the Event Date,  the Company  shall pay to the holders of the
Preferred Stock 2.5% of the  outstanding  amount of Preferred Stock (each holder
being  entitled  to receive  such  portion of such amount as equals its pro rata
portion of the Preferred Stock then outstanding) in cash as liquidated  damages,
and not as a penalty on the first day of each monthly  anniversary  of the Event
Date until such time as the  applicable  Event,  is cured.  Any  decrease in the
Conversion  Price  pursuant to this Section shall continue  notwithstanding  the
fact that the Event  causing such  decrease  has been  subsequently  cured.  The
provisions  of this  Section  are not  exclusive  and  shall in no way limit the
Company's  obligations under the Registration Rights Agreement.  Notwithstanding
anything to the  contrary  set forth  herein,  the Company may not,  without the
prior written consent of the holders,  pay liquidated  damages hereunder in cash
unless it shall have  received the prior  written  consent of all lenders of the
Company  or its  Affiliates  that have the right to require  such  consent or to
subordinate any such cash payment,  which consent shall provide that the payment
by the Company of any such  liquidated  damages  hereunder (and the retention of
such sum by the receiving holder) is not subject to any applicable subordination
rights of such lender.

               (ii) If the  Company,  at any time while any shares of  Preferred
Stock are  outstanding,  (a)  shall pay a stock  dividend  or  otherwise  make a
distribution  or  distributions  on shares of its Junior  Securities  payable in
shares of Common Stock, (b) subdivide  outstanding shares of Common Stock into a
larger number of shares,  (c) combine  outstanding shares of Common Stock into a
smaller number of shares, or (d) issue by reclassification of shares (other than
<PAGE>
a stock  split or  reverse  stock  split) of Common  Stock any shares of capital
stock of the Company,  the Initial  Conversion  Price shall be  multiplied  by a
fraction of which the  numerator  shall be the number of shares of Common  Stock
(excluding  treasury shares, if any) outstanding  before such event and of which
the denominator  shall be the number of shares of Common Stock outstanding after
such event.  Any adjustment made pursuant to this Section  5(c)(ii) shall become
effective   immediately   after  the  record  date  for  the   determination  of
stockholders  entitled to receive such dividend or distribution and shall become
effective  immediately  after the effective  date in the case of a  subdivision,
combination or re-classification.

               (iii) If the  Company,  at any time while any shares of Preferred
Stock are  outstanding,  shall issue rights or warrants to all holders of Common
Stock  entitling  them to subscribe for or purchase  shares of Common Stock at a
price per share  less than the Per  Share  Market  Value of Common  Stock at the
record date mentioned below, the Initial Conversion Price shall be multiplied by
a  fraction,  of which the  denominator  shall be the number of shares of Common
Stock (excluding treasury shares, if any) outstanding on the date of issuance of
such rights or warrants  plus the number of  additional  shares of Common  Stock
offered for  subscription  or purchase,  and of which the numerator shall be the
number of shares of Common Stock (excluding treasury shares, if any) outstanding
on the date of issuance  of such  rights or  warrants  plus the number of shares
which the  aggregate  offering  price of the total  number of shares so  offered
would  purchase at such Per Share Market Value.  Such  adjustment  shall be made
whenever  such  rights  or  warrants  are  issued,  and shall  become  effective
immediately after the record date for the determination of stockholders entitled
to receive such rights or warrants. However, upon the expiration of any right or
warrant to purchase Common Stock the issuance of which resulted in an adjustment
in the Initial Conversion Price pursuant to this Section 5(c)(iii),  if any such
right or warrant  shall  expire and shall not have been  exercised,  the Initial
Conversion  Price shall  immediately  upon such  expiration  be  recomputed  and
effective  immediately  upon such  expiration be increased to the price which it
would have been (but reflecting any other adjustments in the Initial  Conversion
Price made  pursuant to the  provisions  of this Section 5 after the issuance of
such rights or warrants) had the adjustment of the Initial Conversion Price made
upon the issuance of such rights or warrants  been made on the basis of offering
for subscription or purchase only that number of shares of Common Stock actually
purchased upon the exercise of such rights or warrants actually exercised.

               (iv) If the Company,  at any time while shares of Preferred Stock
are  outstanding,  shall  distribute  to all holders of Common Stock (and not to
holders of Preferred Stock) evidences of its indebtedness or assets or rights or
warrants to subscribe for or purchase any security  (excluding those referred to
in  Sections  5(c)(ii)  and (iii)  above),  then in each  such case the  Initial
Conversion  Price at which each share of  Preferred  Stock shall  thereafter  be
convertible  shall be determined by multiplying the Initial  Conversion Price in
effect  immediately  prior  to  the  record  date  fixed  for  determination  of
stockholders  entitled to receive such  distribution  by a fraction of which the
denominator shall be the Per Share Market Value of Common Stock determined as of
the record date mentioned  above,  and of which the numerator  shall be such Per

<PAGE>

Share  Market  Value of the Common  Stock on such record date less the then fair
market  value at such  record  date of the portion of such assets or evidence of
indebtedness so distributed  applicable to one outstanding share of Common Stock
as determined by the Board of Directors in good faith;  provided,  however, that
in the event of a distribution  exceeding ten percent (10%) of the net assets of
the  Company,  such  fair  market  value  shall be  determined  by a  nationally
recognized  or major  regional  investment  banking firm or firm of  independent
certified public accountants of recognized  standing (which may be the firm that
regularly  examines the financial  statements  of the Company) (an  "Appraiser")
selected in good faith by the holders of a majority in interest of the shares of
Preferred Stock then outstanding; and provided, further, that the Company, after
receipt of the determination by such Appraiser shall have the right to select an
additional  Appraiser,  in good faith, in which case the fair market value shall
be equal to the average of the determinations by each such Appraiser.  In either
case the adjustments  shall be described in a statement  provided to the holders
of  Preferred  Stock of the portion of assets or evidences  of  indebtedness  so
distributed or such subscription rights applicable to one share of Common Stock.
Such adjustment  shall be made whenever any such  distribution is made and shall
become effective immediately after the record date mentioned above.

               (v) All  calculations  under this  Section 5 shall be made to the
nearest cent or the nearest 1/100th of a share, as the case may be.

               (vi) Whenever the Initial  Conversion Price is adjusted  pursuant
to Section  5(c)(ii),(iii)  or (iv),  the Company  shall  promptly  mail to each
holder of Preferred  Stock, a notice setting forth the Initial  Conversion Price
after such adjustment and setting forth a brief statement of the facts requiring
such adjustment.

               (vii) In case of any  reclassification  (which,  for  purposes of
this Section  5(c)(vii),  does not include a stock split or reverse stock split)
of the Common  Stock,  any  consolidation  or merger of the Company with or into
another person  pursuant to which the Company will not be the surviving  entity,
the sale or transfer of all or substantially all of the assets of the Company or
any compulsory  share  exchange  pursuant to which the Common Stock is converted
into other securities, cash or property, the holders of the Preferred Stock then
outstanding  shall have the right  thereafter  to, at their option,  (A) convert
such  shares  only  into the  shares of stock  and  other  securities,  cash and
property  receivable  upon or  deemed  to be held by  holders  of  Common  Stock
following such reclassification,  consolidation, merger, sale, transfer or share
exchange,  and the holders of the  Preferred  Stock shall be entitled  upon such
event to receive  such amount of  securities,  cash or property as the shares of
the Common Stock of the Company into which such shares of Preferred  Stock could
have been converted immediately prior to such  reclassification,  consolidation,
merger, sale, transfer or share exchange would have been entitled or (B) require
the Company to redeem, from funds legally available therefor at the time of such
redemption,  its  shares of  Preferred  Stock at a price per share  equal to the
product of (i) the average Per Share  Market Value for the five (5) Trading Days
immediately  preceding (1) the effective date or the date of the closing, as the
case may be, of the reclassification,  consolidation,  merger, sale, transfer or
share exchange the triggering such  redemption  right or (2) the date of payment
in full by the Company of the redemption price hereunder,  whichever is greater,
and (ii) the  Conversion  Ratio  calculated  on the date of the  closing  or the
effective  date,  as the case may be,  of the  reclassification,  consolidation,
merger,  sale,  transfer or share exchange  triggering such redemption right, as
<PAGE>
the case may be.  The entire  redemption  price  shall be paid in cash,  and the
terms of payment of such redemption price shall be subject to the provisions set
forth in Section 6. The terms of any such consolidation,  merger, sale, transfer
or share  exchange  shall  include  such terms so as to  continue to give to the
holder of Preferred Stock the right to receive the securities,  cash or property
set forth in this Section 5(c)(vii) upon any conversion or redemption  following
such consolidation,  merger,  sale,  transfer or share exchange.  This provision
shall similarly apply to successive reclassifications,  consolidations, mergers,
sales, transfers or share exchanges.

               (viii) If:

                    A.   the  Company  shall  declare a  dividend  (or any other
                         distribution) on its Common Stock; or

                    B.  the  Company  shall  declare a special nonrecurring cash
                        dividend on or a redemption of its Common Stock; or

                    C.  the Company shall  authorize the granting to all holders
                        of the Common Stock rights or warrants to subscribe  for
                        or purchase any shares of capital  stock of any class or
                        of any rights; or

                    D.  the approval of any stockholders of the Company shall be
                        required in connection with any  reclassification of the
                        Common Stock of the Company, any consolidation or merger
                        to which the Company is a party, any sale or transfer of
                        all or  substantially  all of the assets of the Company,
                        of any compulsory  share of exchange  whereby the Common
                        Stock  is  converted  into  other  securities,  cash  or
                        property; or

                    E.  the   Company   shall   authorize   the   voluntary   or
                        involuntary   dissolution,  liquidation or winding up of
                        the  affairs of the Company;

then the Company shall cause to be filed at each office or agency maintained for
the purpose of  conversion of Preferred  Stock,  and shall cause to be mailed to
the holders of Preferred Stock at their last addresses as they shall appear upon
the  stock  books  of the  Company,  at  least  30  calendar  days  prior to the
applicable record or effective date hereinafter  specified, a notice stating (x)
the date on which a record  is to be taken  for the  purpose  of such  dividend,
distribution, redemption, rights or warrants, or if a record is not to be taken,
the date as of which the  holders of Common  Stock of record to be  entitled  to
<PAGE>
such  dividend,  distributions,   redemption,  rights  or  warrants  are  to  be
determined  or (y)  the  date on  which  such  reclassification,  consolidation,
merger,  sale,  transfer or share  exchange is expected to become  effective  or
close,  and the date as of which it is expected  that holders of Common Stock of
record  shall  be  entitled  to  exchange  their  shares  of  Common  Stock  for
securities,  cash or other  property  deliverable  upon  such  reclassification,
consolidation, merger, sale, transfer or share exchange; provided, however, that
the failure to mail such notice or any defect therein or in the mailing  thereof
shall not affect the validity of the corporate  action  required to be specified
in such notice. Holders are entitled to convert shares of Preferred Stock during
the 30-day period  commencing  the date of such notice to the effective  date of
the event triggering such notice.

          (d) The Company  covenants  that it will at all times reserve and keep
available out of its authorized and unissued Common Stock solely for the purpose
of issuance  upon  conversion  of  Preferred  Stock and payment of  dividends on
Preferred  Stock,  each as herein provided,  free from preemptive  rights or any
other actual  contingent  purchase  rights of persons  other than the holders of
Preferred  Stock,  not less than such number of shares of Common  Stock as shall
(subject to any additional requirements of the Company as to reservation of such
shares set forth in the Purchase Agreement) be issuable (taking into account the
adjustments  and  restrictions  of  Section  5(c))  upon the  conversion  of all
outstanding  shares of Preferred Stock and payment of dividends  hereunder.  The
Company  covenants  that all shares of Common  Stock  that shall be so  issuable
shall,  upon  issue,  be duly and  validly  authorized,  issued and fully  paid,
nonassessable and freely tradeable.

          (e) Upon a conversion  hereunder  the Company shall not be required to
issue stock certificates  representing  fractions of shares of Common Stock, but
may if otherwise permitted, make a cash payment in respect of any final fraction
of a share  based on the Per Share  Market  Value at such time.  If the  Company
elects not, or is unable, to make such a cash payment,  the holder of a share of
Preferred Stock shall be entitled to receive, in lieu of the final fraction of a
share, one whole share of Common Stock.

          (f) The  issuance  of  certificates  for  shares  of  Common  Stock on
conversion  of  Preferred  Stock  shall be made  without  charge to the  holders
thereof  for any  documentary  stamp or  similar  taxes  that may be  payable in
respect of the issue or delivery of such certificate,  provided that the Company
shall not be  required  to pay any tax that may be  payable  in  respect  of any
transfer  involved in the  issuance and  delivery of any such  certificate  upon
conversion  in a name other than that of the holder of such shares of  Preferred
Stock so converted.

          (g) Shares of  Preferred  Stock  converted  into Common Stock shall be
canceled  and  shall  have the  status  of  authorized  but  unissued  shares of
undesignated stock.

          (h) Any and all notices or other  communications  or  deliveries to be
provided by the holders of the Preferred  Stock  hereunder,  including,  without
limitation, any Conversion Notice, shall be in writing and delivered personally,
by facsimile,  sent by a nationally recognized overnight courier service or sent
by certified or registered mail, postage prepaid,  addressed to the attention of
<PAGE>
the Chief Executive Officer of the Company at the facsimile  telephone number or
address of the  principal  place of  business of the Company as set forth in the
Purchase Agreement. Any and all notices or other communications or deliveries to
be  provided  by  the  Company  hereunder  shall  be in  writing  and  delivered
personally,  by facsimile,  sent by a nationally  recognized  overnight  courier
service or sent by certified or registered mail,  postage prepaid,  addressed to
each holder of Preferred Stock at the facsimile  telephone  number or address of
such  holder  appearing  on the books of the  Company,  or if no such  facsimile
telephone number or address  appears,  at the principal place of business of the
holder.  Any notice or other  communication  or  deliveries  hereunder  shall be
deemed given and effective on the earliest of (i) the date of  transmission,  if
such  notice or  communication  is  delivered  via  facsimile  at the  facsimile
telephone  number  specified in this Section prior to 4:30 p.m.  (Eastern Time),
(ii) the date after the date of transmission, if such notice or communication is
delivered  via  facsimile at the facsimile  telephone  number  specified in this
Section later than 4:30 p.m.  (Eastern  Time) on any date and earlier than 11:59
p.m.  (Eastern  Time) on such date,  (iii) four days after deposit in the United
States mails,  (iv) the Business Day  following the date of mailing,  if send by
nationally  recognized  overnight courier service, or (v) upon actual receipt by
the party to whom such notice is required to be given.

          Section 6.    Redemption.

          The  Company  shall  have the right,  exercisable  at any time upon 20
Trading  Days  notice to the  holders of the  Preferred  Stock given at any time
after the Original Issue Date to redeem,  from funds legally available  therefor
at the time of such  redemption,  all or any portion of the shares of  Preferred
Stock which have not previously been converted or redeemed, at a price per share
equal to the product of (i) the average Per Share  Market Value for the five (5)
Trading  Days  immediately  preceding  (1)  the  date of the  redemption  notice
referenced  above  or (2) the  date of  payment  in full by the  Company  of the
redemption price hereunder,  whichever is greater, and (ii) the Conversion Ratio
calculated on the date of such redemption  notice.  The entire  redemption price
shall be paid in cash.  Holders of  Preferred  Stock may  convert  any shares of
Preferred  Stock,  including  shares subject to a redemption  notice given under
this Section,  during the period from the date of such redemption notice through
the 19th Trading Day thereafter.

          If any portion of the redemption price under this Section shall not be
paid by the Company within seven (7) calendar days after the date due,  interest
shall  accrue  thereon at the rate of 15% per annum until the  redemption  price
plus all such interest is paid in full (which amount shall be paid as liquidated
damages and not as a penalty).  In addition,  if any portion of such  redemption
price  remains  unpaid  for more than 7 calendar  days  after the date due,  the
holder of the Preferred  Stock subject to such  redemption may elect, by written
notice to the  Company  given  within 30 days after the date due,  to either (i)
demand conversion in accordance with the formula and the time frame therefor set
forth in  Section 5 of all of the  shares  of  Preferred  Stock  for which  such
redemption price, plus accrued liquidated damages thereof,  has not been paid in
full (the "Unpaid Redemption Shares"), in which event the Per Share Market Price
<PAGE>
for such shares shall be the lower of the Per Share Market Price  calculated  on
the date such redemption price was originally due and the Per Share Market Price
as of the holder's  written demand for conversion,  or (ii) invalidate ab initio
such redemption,  notwithstanding  anything herein contained to the contrary. If
the holder elects  option (i) above,  the Company shall within three (3) Trading
Days of its receipt of such election  deliver to the holder the shares of Common
Stock issuable upon conversion of the Unpaid  Redemption  Shares subject to such
holder conversion  demand and otherwise  perform its obligations  hereunder with
respect  thereto;  or, if the Holder elects option (ii) above, the Company shall
promptly, and in any event not later than three (3) Trading Days from receipt of
holder's  notice  of such  election,  return  to the  holder  all of the  Unpaid
Redemption  Shares.  Notwithstanding  anything to the contrary contained herein,
the Company may not, without the written consent of the holder, redeem shares of
Preferred  Stock unless both the payment  thereof and the retention of such paid
cash by the holder is consented to in writing  free of any  subordination  prior
thereto by all lenders of the Company who by agreement have the right to consent
to or force the subordination of such payment.

     Section 7. Definitions.  For the purposes hereof, the following terms shall
have the following meanings:

          "Business Day" means any day except Saturday, Sunday and any day which
shall be a legal holiday or a day on which banking  institutions in the State of
New York are authorized or required by law or other government action to close.

          "Common Stock" means the Company's  common stock,  $.001 par value per
share,  of the  Company  and stock of any other class into which such shares may
hereafter have been reclassified or changed.

          "Conversion  Ratio"  means,  at any  time,  a  fraction,  of which the
numerator  is Stated  Value plus  accrued but unpaid  dividends  (including  any
accrued but unpaid interest thereon) but only to the extent to be paid in shares
of  Common  Stock  in  accordance  with  the  terms  hereof,  and of  which  the
denominator is the Conversion Price at such time.

          "Junior  Securities"  means the  Common  Stock  and all  other  equity
securities of the Company which are junior in rights and liquidation  preference
to the Preferred Stock.

          "Original Issue Date" shall mean the date of the first issuance of any
shares of the  Preferred  Stock  regardless  of the number of  transfers  of any
particular   shares  of  Preferred   Stock  and  regardless  of  the  number  of
certificates which may be issued to evidence such Preferred Stock.

          "Per Share Market Value" means on any particular  date (a) the closing
bid price  per share of the  Common  Stock on such date on the  Nasdaq  SmallCap
Market or other stock exchange or quotation  system on which the Common Stock is
then  listed or if there is no such price on such  date,  then the  closing  bid
price on such exchange or quotation  system on the date nearest  preceding  such
date,  or (b) if the  Common  Stock is not listed  then on the  Nasdaq  SmallCap
Market or any stock  exchange or quotation  system,  the closing bid price for a
<PAGE>
share of Common Stock in the over-the-counter  market, as reported by the Nasdaq
Stock  Market  or in the  National  Quotation  Bureau  Incorporated  or  similar
organization or agency  succeeding to its functions of reporting  prices) at the
close of business on such date,  or (c) if the Common Stock is not then reported
by the National Quotation Bureau Incorporated (or similar organization or agency
succeeding to its functions of reporting prices),  then the average of the "Pink
Sheet" quotes for the relevant conversion period, as determined in good faith by
the  holder,  or (d) if the Common  Stock is not then  publicly  traded the fair
market value of a share of Common Stock as determined  by an Appraiser  selected
in good  faith by the  holders of a majority  in  interest  of the shares of the
Preferred  Stock;  provided,  however,  that the Company,  after  receipt of the
determination  by such  Appraiser,  shall have the right to select an additional
Appraiser, in which case, the fair market value shall be equal to the average of
the determinations by each such Appraiser.

          "Person"  means  a  corporation,   an   association,   a  partnership,
organization,  a business, an individual,  a government or political subdivision
thereof or a governmental agency.

          "Purchase  Agreement"  means the Convertible  Preferred Stock Purchase
Agreement,  dated as of the  Original  Issue  Date,  between the Company and the
original holder of the Preferred Stock.

          "Registration   Rights   Agreement"  means  the  Registration   Rights
Agreement,  dated the  Original  Issue Date,  by and between the Company and the
original holder of Preferred Stock.

          "Trading  Day" means (a) a day on which the Common  Stock is traded on
the Nasdaq SmallCap Market or other stock exchange or market on which the Common
Stock has been  listed,  or (b) if the Common  Stock is not listed on the Nasdaq
SmallCap Market or any stock exchange or market, a day on which the Common Stock
is traded in the over-the-counter market, as reported by the OTC Bulletin Board,
or (c) if the Common  Stock is not quoted on the OTC  Bulletin  Board,  a day on
which the Common Stock is quoted in the  over-the-counter  market as reported by
the National  Quotation  Bureau  Incorporated  (or any similar  organization  or
agency succeeding its functions of reporting prices).
<PAGE>
          RESOLVED FURTHER,  that the President and Secretary of the Company be,
and they hereby are,  authorized and directed to prepare,  execute,  verify, and
file with the Secretary of State of Delaware,  a Certificate  of  Designation in
accordance with these resolutions and as required by law.

          IN WITNESS WHEREOF, Vasomedical, Inc. has caused its corporate seal to
be hereunto affixed and this  certificate to be signed by Anthony  Viscusi,  its
President, and attested by Joseph A. Giacalone, its Secretary,  this 30th day of
April, 1998.

                                   VASOMEDICAL, INC.


                                   By:/s/Anthony Viscusi
                                      -------------------
                                      Anthony Viscusi
                                      President


Attest:


By:/s/Joseph Giacalone
   -------------------
   Joseph A. Giacalone
   Secretary
<PAGE>


                                    EXHIBIT A

                              NOTICE OF CONVERSION


(To be Executed by the Registered Holder
in order to Convert shares of Preferred Stock)

The  undersigned  hereby  elects  to  convert  the  number of shares of Series B
Convertible  Preferred Stock indicated  below,  into shares of Common Stock, par
value $.001 per share (the "Common Stock"), of Vasomedical, Inc. (the "Company")
pursuant to the terms of the  Certificate of Designation of Series B Convertible
Preferred  Stock of the Company,  as of the date written below. If shares are to
be issued in the name of a person other than  undersigned,  the undersigned will
pay all transfer taxes payable with respect  thereto and is delivering  herewith
such  certificates  and  opinions  as  reasonably  requested  by the  Company in
accordance  therewith.  No fee will be charged to the holder for any conversion,
except for such transfer taxes, if any.

Conversion calculations:
                        --------------------------------------------------------
                        Date to Effect Conversion

                        --------------------------------------------------------
                        Number of shares of Preferred Stock to be Converted

                        --------------------------------------------------------
                        Number of shares of Common Stock to be Issued

                        --------------------------------------------------------
                        Applicable Conversion Price

                        --------------------------------------------------------
                        Signature

                        --------------------------------------------------------
                        Name

                        --------------------------------------------------------
                        Address



The Company  undertakes to promptly upon its receipt of this  conversion  notice
(and, in any case prior to the time it effects the conversion requested hereby),
notify  the  converting  holder by  facsimile  of the number of shares of Common
Stock which would be issuable to the holder if the conversion  requested in this
conversion  notice  were  effected in full and whether and (if so) the number of
shares of Common  Stock to be issued as payment of  dividends  in respect of the
shares of Preferred Stock to be converted hereby,  whereupon,  if the converting
holder  determines that such  conversion  would result in it owning in excess of
4.999% of the outstanding shares of Common Stock on such date, the Company shall
convert  up to an amount  equal to 4.999%  of the  outstanding  shares of Common
Stock and issue to the holder one or more  certificates  representing  shares of
Preferred Stock which have not been converted as a result of this provision.

                 CONVERTIBLE PREFERRED STOCK PURCHASE AGREEMENT

                                     Between

                                VASOMEDICAL, INC.

                                       and

                            JNC OPPORTUNITY FUND LTD.

                         ------------------------------



                           Dated as of April 30, 1998


                         ------------------------------

<PAGE>
     CONVERTIBLE PREFERRED STOCK PURCHASE AGREEMENT,  dated as of April 30, 1998
(this  "Agreement"),  between  Vasomedical,  Inc., a Delaware  corporation  (the
"Company"),  and JNC Opportunity  Fund Ltd., a Cayman Islands  corporation  (the
"Purchaser").

     WHEREAS,  subject to the terms and conditions set forth in this  Agreement,
the Company desires to issue and sell to the Purchaser and the Purchaser desires
to acquire shares of the Company's 5% Series C Convertible Preferred Stock, $.01
par value per share (the "Preferred Stock").

     IN  CONSIDERATION  of the mutual  covenants and agreements set forth herein
and for  good and  valuable  consideration,  the  receipt  of  which  is  hereby
acknowledged, the parties agree as follows:


                                    ARTICLE I

                          ARTICLE I CERTAIN DEFINITIONS
                          -----------------------------

     
     Section 1.1.  Certain  Definitions.  As used in this Agreement,  unless the
context  requires a different  meaning,  the  following  terms have the meanings
indicated in this Section 1.1:

     "Affiliate" means, with respect to any Person, any Person that, directly or
indirectly,  controls,  is  controlled  by or is under common  control with such
Person.  For  the  purposes  of  this  definition,  "control"  (including,  with
correlative meanings, the terms "controlled by" and "under common control with")
shall mean the  possession,  directly or  indirectly,  of the power to direct or
cause the  direction of the  management  and  policies of such  Person,  whether
through the ownership of voting securities or by contract or otherwise.

     "Agreement" shall have the meaning set forth in the recitals hereto.

     "Business  Day"  means any day  except  Saturday,  Sunday and any day which
shall be a Federal legal holiday or a day on which banking  institutions  in the
State of New York are authorized or required by law or other government  actions
to close.

     "Certificate  of  Designation"  shall have the meaning set forth in Section
2.1(a).

     "Closing" shall have the meaning set forth in Section 2.1(b).

     "Closing Date" shall have the meaning set forth in Section 2.1(b).

     "Code" means the Internal  Revenue Code of 1986, as amended,  and the rules
and regulations thereunder as in effect on the date hereof.
<PAGE>
     "Commission" means the Securities and Exchange Commission.

     "Common Stock" means the Company's common stock, par value $.001 per share.

     "Company" shall have the meaning set forth in the recitals hereto.

     "Conversion  Ratio" shall have the meaning set forth in the  Certificate of
Designation.

     "Disclosure  Materials"  means,   collectively,   the  SEC  Documents,  the
disclosure package delivered to the Purchaser in connection with the offering by
the Company of the Shares and the Schedules to this Agreement furnished by or on
behalf of the Company pursuant to Section 3.1.

     "Escrow Agent" means Robinson Silverman Pearce Aronsohn & Berman LLP.

     "Escrow Agreement" means the escrow agreement, dated as of the date hereof,
by and among the Company,  the Purchaser  and the Escrow  Agent,  in the form of
Exhibit E, as the same may be amended,  supplemented  or  otherwise  modified in
accordance with its terms.

     "Exchange Act" means the Securities Exchange Act of 1934, as amended.

     "Lien" means, with respect to any asset, any mortgage,  lien, pledge, right
of first refusal,  charge, security interest or encumbrance of any kind in or on
such asset or the revenues or income thereon or therefrom.

     "Material  Adverse  Effect"  shall  have the  meaning  set forth in Section
3.1(a).

     "Original  Issue  Date"  shall  mean  the  first  issuance  of any  Shares,
regardless of the number of transfers of any particular  Share and regardless of
the number of certificates which may be issued to evidence any particular Share.

     "Per  Share  Market  Value"  shall  have  the  meaning  set  forth  in  the
Certificate of Designation.

     "Person"  means  an  individual  or  a  corporation,   partnership,  trust,
incorporated or  unincorporated  association,  joint venture,  limited liability
company, joint stock company,  government (or an agency or political subdivision
thereof) or other entity of any kind.

     "Preferred Stock" shall have the meaning set forth in the recitals hereto.
<PAGE>
     "Purchase Price" shall have the meaning set forth in Section 2.1(a).

     "Purchaser" shall have the meaning set forth in the recitals hereto.

     "Registration  Rights  Agreement" means the registration  rights agreement,
dated as of the date hereof, between the Company and the Purchaser,  in the form
of Exhibit B, as the same may be amended,  supplemented or otherwise modified in
accordance with its terms. "Required Approvals" shall have the meaning set forth
in Section 3.1(f).

     "SEC Documents" shall have the meaning set forth in Section 3.1(l).

     "Securities"  means,   collectively,   the  Shares,  the  Warrant  and  the
Underlying Shares.

     "Securities Act" means the Securities Act of 1933, as amended.

     "Shares"  means the shares of Preferred  Stock to be purchased  pursuant to
this Agreement.

     "Stated Value" shall have the meaning set forth in Section 2.1(a).

     "Subsequent Financing" shall have the meaning set forth in Section 4.9.

     "Subsequent  Financing  Notice" shall have the meaning set forth in Section
4.9.

     "Subsidiaries" shall have the meaning set forth in Section 3.1(a).

     "Trading  Day"  shall  have the  meaning  set forth in the  Certificate  of
Designation.

     "Transaction Documents" shall have the meaning set forth in Section 3.1(b).

     "Underlying  Shares"  means  the  shares  of  Common  Stock  issuable  upon
conversion of Shares and as payment of dividends  thereon in accordance with the
terms of the  Certificate  of  Designation,  and upon exercise of the Warrant in
accordance with the terms thereof.

     "Underlying Shares Registration Statement" shall have the meaning set forth
in Section 3.1(f).

     "Warrant"  means the Common  Stock  purchase  warrant,  to be issued to the
Purchaser on the date hereof,  in the form of Exhibit C, entitling the Purchaser
to purchase up to 413,712  shares of Common Stock in  accordance  with the terms
thereof.
<PAGE>
                                   ARTICLE II

                               PURCHASE OF SHARES
                               ------------------

     
     Section 2.1. Purchase of Shares; Closing.

     (a) Subject to the terms and  conditions set forth in this  Agreement,  the
Company shall issue and sell to the Purchaser,  and the Purchaser shall purchase
from the  Company on the  Closing  Date  175,000  Shares,  which  shall have the
respective  rights,  preferences  and  privileges  set  forth in  Exhibit A (the
"Certificate of Designation"), at a price per Share of $20 (the "Stated Value").
The aggregate "Purchase Price" for the Shares is $3,500,000.

     (b) The closing of the purchase and sale of the Shares and the Warrant (the
"Closing")  shall take place at the offices of the Escrow Agent,  1290 Avenue of
the  Americas,  New York,  New York 10104,  immediately  following the execution
hereof,  or at such other time and/or place as the Purchaser and the Company may
agree. The date of the Closing is referred to herein as the "Closing Date".

     (c) At the Closing, the Escrow Agent, in accordance with and subject to the
terms  and  conditions  of  the  Escrow  Agreement,  shall  deliver  (i)  to the
Purchaser, (A) one or more stock certificates  representing the Shares purchased
hereunder, registered in the name of the Purchaser, (B) the Warrant, and (C) the
legal  opinion  addressed to the  Purchaser and dated the Closing Date, of Blau,
Kramer, Wactlar & Lieberman, P.C., counsel for the Company, substantially in the
form of Exhibit D; (ii) to the Company,  the Purchase Price, less the amounts to
be deducted in accordance with the Escrow Agreement, in United States dollars in
immediately available funds by wire transfer to an account designated in writing
by the Company prior to the Closing; and (iii) to the party entitled thereto all
documents,  instruments and writings required to have been delivered at or prior
to Closing by either the Company or the Purchaser pursuant to this Agreement.


                                 ARTICLE III

                         REPRESENTATIONS AND WARRANTIES
                         ------------------------------

     
     Section 3.1.  Representations  and  Warranties of the Company.  The Company
hereby represents and warrants to the Purchaser as follows:

     (a)  Organization  and  Qualification.  The Company is a corporation,  duly
incorporated,  validly  existing  and in good  standing  under  the  laws of the
<PAGE>
jurisdiction  of its  incorporation,  with the  requisite  corporate  power  and
authority to own and use its  properties and assets and to carry on its business
as currently conducted.  The Company has no subsidiaries other than as set forth
in the SEC Documents or in Schedule 3.1(a)  (collectively,  the "Subsidiaries").
Each of the Subsidiaries is a corporation,  duly incorporated,  validly existing
and in good standing under the laws of the  jurisdiction  of its  incorporation,
with the requisite  corporate  power and authority to own and use its properties
and assets and to carry on its  business  as  currently  conducted.  Each of the
Company and the  Subsidiaries  is duly  qualified  to do business and is in good
standing as a foreign  corporation in each  jurisdiction  in which the nature of
the  business  conducted  or  property  owned  by it  makes  such  qualification
necessary,  except where the failure to be so qualified or in good standing,  as
the case may be, could not,  individually  or in the  aggregate,  (x)  adversely
affect  the  legality,   validity  or  enforceability  of  this  Agreement,  the
Certificate of Designation,  the Warrant or the  Registration  Rights  Agreement
(collectively,  the "Transaction Documents"), (y) have a material adverse effect
on the results of operations,  assets,  prospects, or financial condition of the
Company and the  Subsidiaries,  taken as a whole or (z) adversely  impair in any
material  respect with the Company's  ability to perform fully on a timely basis
its obligations  under the Transaction  Documents or the Securities (a "Material
Adverse Effect").

     (b)  Authorization;  Enforcement.  The Company has the requisite  corporate
power  and  authority  to  enter  into  and  to  consummate   the   transactions
contemplated  by the  Transaction  Documents  and to  otherwise  carry  out  its
obligations under the Transaction Documents.  The execution and delivery of each
of the  Transaction  Documents by the Company and the  consummation by it of the
transactions  contemplated  thereby have been duly  authorized  by all necessary
action  on the part of the  Company,  including,  without  limitation,  approval
thereof by the Company's Board of Directors.  Each of the Transaction  Documents
has been duly executed and delivered by the Company and  constitutes  the legal,
valid and binding obligation of the Company  enforceable  against the Company in
accordance  with its  terms,  except as such  enforceability  may be  limited by
applicable bankruptcy,  insolvency,  reorganization,  moratorium, liquidation or
similar laws relating to, or affecting  generally the enforcement of, creditors'
rights and remedies or by other  equitable  principles  of general  application.
Neither the Company nor any  Subsidiary is in violation of any of the provisions
of  its  respective  certificate  of  incorporation,  bylaws  or  other  charter
documents,  which could  adversely  affect the  execution,  delivery  and timely
performance of the Transaction Documents.

     (c) Capitalization  Capitalization.  The authorized, issued and outstanding
capital  stock of the  Company  and  each of the  Subsidiaries  is set  forth in
Schedule 3.1(c). No shares of Common Stock are entitled to preemptive or similar
rights.  Except as  specifically  disclosed  in  Schedule  3.1(c),  there are no
outstanding  options,   warrants,  script  rights  to  subscribe  to,  calls  or
commitments of any character  whatsoever  relating to, or, except as a result of
the  purchase  and sale of the Shares  and the  Warrant  hereunder,  securities,
rights or obligations convertible into or exchangeable for, or giving any Person
<PAGE>
any right to subscribe for or acquire any shares of Common Stock,  or contracts,
commitments,  understandings,  or  arrangements  by  which  the  Company  or any
Subsidiary is or may become bound to issue additional shares of Common Stock, or
securities or rights convertible or exchangeable into shares of Common Stock. To
the  knowledge  of the  Company  without  independent  investigation,  except as
specifically  disclosed  in the SEC  Documents  or  Schedule  3.1(c),  no Person
beneficially  owns (as determined  pursuant to Rule 13d-3  promulgated under the
Exchange  Act) or has the right to acquire by  agreement  with or by  obligation
binding upon the Company  beneficial  ownership of in excess of 5% of the Common
Stock.

     (d) Issuance of Shares,  Warrant and Underlying  Shares. The Shares and the
Warrant have been duly  authorized  and,  when paid for in  accordance  with the
terms hereof,  shall be validly issued,  fully paid and nonassessable,  free and
clear of any Liens. The Company has and at all times while any Shares are or the
Warrant is  outstanding  will  maintain  a reserve of shares of Common  Stock to
enable it to perform its conversion and other  obligations under this Agreement,
the Certificate of Designation and Warrant,  which reserve shall be no less than
7,724,826  shares of Common Stock (such sum, the "Initial  Reserve").  If at any
time  the sum of the  number  of  shares  of  Common  Stock  issuable  (a)  upon
conversion  in  full of the  then  outstanding  Shares,  (b) as the  payment  of
dividends on account of the Shares and (c) upon  exercise in full of the Warrant
exceeds  the Initial  Reserve,  then the Company  shall duly  reserve  twice the
number  of  shares  of  Common  Stock  equal  to such  excess  to  fulfill  such
obligations. When issued in accordance with the terms hereof, the Certificate of
Designation  and the Warrant (as the case may be),  the  Underlying  Shares will
have been duly authorized,  validly issued,  fully paid and  nonassessable,  and
free and clear of any Liens.

     (e) No Conflicts No Conflicts.  The execution,  delivery and performance of
the Transaction  Documents by the Company and the consummation by the Company of
the transactions  contemplated  thereby do not and will not (i) conflict with or
violate any provision of its  certificate  of  incorporation  or bylaws (each as
amended through the date hereof), or (ii) conflict with, or constitute a default
(or an event which with notice or lapse of time or both would  become a default)
under, or give to others any rights of termination,  amendment,  acceleration or
cancellation  of, any agreement,  indenture,  loans or credit agreement or other
instrument  to which the Company is a party,  or (iii)  result in a violation of
any  law,  rule,  regulation,  order,  judgment,  injunction,  decree  or  other
restriction  of any court or United States  governmental  authority to which the
Company  is  subject   (including   Federal  and  state   securities   laws  and
regulations),  or by which  any  property  or asset of the  Company  is bound or
affected,  except in the case of each of clauses (ii) and (iii), such conflicts,
defaults, terminations, amendments, accelerations,  cancellations and violations
as would not,  individually or in the aggregate,  have or reasonably be expected
to result in a Material Adverse Effect. The business of the Company is not being
conducted in violation of any law,  ordinance or regulation of any  governmental
authority,  except for possible  violations which either  individually or in the
aggregate  would not have or  reasonably  be  expected  to result in a  Material
Adverse Effect.

     (f)  Consents  and  Approvals.  Neither the Company nor any  Subsidiary  is
required to obtain any consent,  waiver,  authorization or order of, or make any
<PAGE>
filing or registration  with, any court or other Federal,  state, local or other
governmental  authority  or other  Person  in  connection  with  the  execution,
delivery and performance by the Company of the Transaction Documents, except for
(i) the filing of the Certificate of Designation with respect to the Shares with
the  Secretary of State of Delaware,  which filing shall be effected on or prior
to the Closing Date, (ii) the filing of the registration  statement covering the
Underlying  Shares (the  "Underlying  Shares  Registration  Statement") with the
Commission  and the  making  of the  applicable  blue-sky  filings  under  state
securities laws, each as contemplated by the Registration Rights Agreement,  and
(iii) other than, in all other cases,  where the failure to obtain such consent,
waiver,  authorization or order, or to give or make such notice or filing, would
not,  individually or in the aggregate,  have or would reasonably be expected to
result in a Material Adverse Effect (the "Required Approvals").

     (g)  Litigation;  Proceedings.  Except as set  forth in the SEC  Documents,
there is no action,  suit,  notice of  violation,  proceeding  or  investigation
pending  or,  to the  best  knowledge  of the  Company,  threatened  against  or
affecting  the  Company or any of its  Subsidiaries  or any of their  respective
properties  before or by any court,  governmental  or  administrative  agency or
regulatory authority (Federal, state, county, local or foreign) which relates to
or  challenges  the  legality,  validity or  enforceability  of the  Transaction
Documents or the  Securities or which would,  individually  or in the aggregate,
have or reasonably be expected to result in a Material Adverse Effect.

     (h) No Default or Violation.  Neither the Company nor any Subsidiary (i) is
in default under or in violation  (or has received  notice of a claim that it is
in default under or in violation) of any indenture,  loan or credit agreement or
any other  agreement or  instrument to which it is a party or by which it or any
of its  properties  is bound,  (ii) is in  violation  of any order of any court,
arbitrator or governmental  body, or (iii) is in violation of any statute,  rule
or regulation of any governmental authority, except as would not, in any case of
(i) and (iii) above,  individually  or in the  aggregate,  have or reasonably be
expected to result in a Material Adverse Effect.

     (i) Certain Fees. Except for fees payable to Wharton Capital Partners, Ltd.
no fees or commissions  will be payable by the Company to any broker,  financial
advisor,  finder,  investment  banker,  or bank with respect to the transactions
contemplated  by this  Agreement.  The Purchaser  shall have no obligation  with
respect to such fees or with respect to any claims made by or on behalf of other
Persons  for  fees of a type  contemplated  in this  Section  that may be due in
connection with the  transactions  contemplated  by this Agreement.  The Company
shall  indemnify  and hold  harmless the  Purchaser,  its  employees,  officers,
directors,  agents, and partners,  and their respective Affiliates (as such term
is defined  under  Rule 405  promulgated  under the  Securities  Act),  from and
against all claims,  losses,  damages, costs (including the costs of preparation
and  attorney's  fees) and  expenses  suffered in respect of any such claimed or
existing  fees,  except to the extent such fees or claims  result from a written
agreement  executed by the Purchaser  and such  claimant in connection  with the
transactions contemplated hereby.

     (j) Disclosure  Materials.  Except as disclosed in the SEC  Documents,  the
Disclosure  Materials do not contain any untrue  statement of a material fact or
omit to state any material fact necessary in order to make the  statements  made
therein,  in  light  of the  circumstances  under  which  they  were  made,  not
misleading.
<PAGE>
     (k) Private  Offering.  Neither  the  Company nor any Person  acting on its
behalf has taken or will take any action  (including,  without  limitation,  any
offering of securities of the Company  under  circumstances  which would require
the  integration  of such  offering  with  the  offering  of the  Shares  or the
Underlying  Shares under the  Securities  Act) which might subject the offering,
issuance  or sale of the  Shares or the  Underlying  Shares to the  registration
requirements of Section 5 of the Securities Act.

     (l) SEC Documents.  The Company has filed all reports  required to be filed
by it under the  Exchange  Act,  including  pursuant  to Section  13(a) or 15(d)
thereof,  for the one year  preceding the date hereof (or such shorter period as
the Company was required by law to file such material) (the foregoing  materials
being collectively referred to herein as the "SEC Documents") on a timely basis,
or has  received a valid  extension of such time of filing (in which case it has
made all such  filings  in the time  required  by such  extension).  As of their
respective  filing dates,  the SEC Documents  complied in all material  respects
with the requirements of the Securities Act or the Exchange Act, as the case may
be,  and the  published  rules and  regulations  of the  Commission  promulgated
thereunder,  and none of the SEC  Documents,  when filed,  contained  any untrue
statement of a material  fact or omitted to state a material fact required to be
stated therein or necessary in order to make the statements therein, in light of
the  circumstances  under which they were made,  not  misleading.  The financial
statements of the Company  included in the SEC Documents  comply in all material
respects with  applicable  accounting  requirements  and the published rules and
regulations of the Commission with respect  thereto.  Such financial  statements
have been prepared in accordance with generally accepted  accounting  principles
applied on a  consistent  basis  during the periods  involved,  except as may be
otherwise  specifically  indicated  in such  financial  statements  or the notes
thereto or, in the case of unaudited interim statements,  to the extent they may
include footnotes or may be condensed as summary statements,  and fairly present
in all  material  respects  the  financial  position  of  the  Company  and  its
consolidated  subsidiaries  as of and for the dates  thereof  and the results of
operations  and cash flows for the periods then ended,  subject,  in the case of
unaudited  statements,  to normal year-end audit  adjustments.  The Company last
filed audited  financial  statements with the Commission in its Annual Report on
Form 10-K for the year ended May 31, 1997 and the Company has not  received  any
comments from the  Commission in respect of such audited  financial  statements.
Since the date of the financial statements included in the Annual Report on Form
10-K for the year ended May 31,  1997,  there has been no event,  occurrence  or
development  that has had, would have or could  reasonably be expected to result
in a  Material  Adverse  Effect  which  is  not  specifically  disclosed  in the
Disclosure Materials.

     (m)  Seniority.  No class of equity  securities of the Company is senior to
the  Shares  in right of  payment,  whether  upon  liquidation,  dissolution  or
otherwise.

     (n) Form S-3 Eligibility.  The Company is, and at the Closing Date will be,
eligible to register  securities for resale with the  Commission  under Form S-3
promulgated under the Securities Act.

     (o)  Investment  Company.  The Company is not and is not an Affiliate of an
"investment  company" within the meaning of the Investment  Company Act of 1940,
as amended.

     (p)  Exclusivity.  The Company shall not issue and sell Preferred  Stock to
any Person other than the Purchaser  other than with the specific  prior written
consent of the Purchaser.
<PAGE>
     (q) Listing and Maintenance Requirements Compliance. The Company has not in
the two years prior to the date hereof  received  written  notice from any stock
exchange or market on which the Common  Stock is or has been listed (or on which
it is or has been  quoted) to the effect that the  Company is not in  compliance
with the listing or maintenance requirements of such exchange or market.

     (r) Use of Proceeds.  The Company  shall use all of the  proceeds  from the
placement of the securities  offered hereby for working capital purposes and not
for the  satisfaction  of any  portion of Company  debt or to redeem any Company
equity or equity-equivalent securities. Pending their permitted application, the
Company will invest such proceeds in interest  bearing  accounts and short-term,
interest bearing securities.

     (s) Patents and  Trademarks.  The  Company  has, or has rights to use,  all
patents, patent applications, trademarks, trademark applications, service marks,
trade names,  copyrights,  licenses and rights (collectively,  the "Intellectual
Property  Rights")  which are necessary for use in connection  with its business
and which the failure to so have would have a Material Adverse Effect. Except as
disclosed in Schedule 3.1(s), to the best knowledge of the Company,  there is no
existing  infringement  by another  Person of any of the  Intellectual  Property
Rights which are necessary for use in connection with its business.

     
     Section 3.2. Representations and Warranties of the Purchaser. The Purchaser
hereby represents and warrants to the Company as follows:

     (a)  Organization;  Authority.  The  Purchaser  is a  corporation  duly and
validly  existing and in good standing under the laws of the jurisdiction of its
incorporation.  The Purchaser has the requisite corporate power and authority to
enter into and to consummate  the  transactions  contemplated  hereby and by the
Registration  Rights  Agreement,  the  Escrow  Agreement  and  the  Warrant  and
otherwise to carry out its obligations hereunder and thereunder. The purchase of
the  Securities  by the  Purchaser  hereunder  has been duly  authorized  by all
necessary  action  on the part of the  Purchaser.  Each of this  Agreement,  the
Registration  Rights  Agreement and the Escrow  Agreement has been duly executed
and  delivered by or on behalf of the Purchaser  and  constitutes  the valid and
legally  binding  obligation  of  the  Purchaser,   enforceable  against  it  in
<PAGE>
accordance  with  its  terms,  subject  to  bankruptcy,  insolvency,  fraudulent
transfer,  reorganization,  moratorium and similar laws of general applicability
relating to or affecting  creditors' rights generally and to general  principles
of equity.

     (b)  Investment  Intent.  The Purchaser is acquiring the Securities for its
own account (and/or on behalf of managed accounts who are purchasing  solely for
their own accounts for investment)  for investment  purposes only and not with a
view to or for  distributing  or reselling the Securities or any part thereof or
interest therein, without prejudice,  however, to the Purchaser's right, subject
to the  provisions  of the  Transaction  Documents,  at all  times  to  sell  or
otherwise  dispose  of all or any  part of the  Securities  under  an  effective
registration   statement  under  the  Securities  Act  and  in  compliance  with
applicable  State  securities  laws or under an exemption or exclusion from such
registration.

     (c) Purchaser  Status. At the time the Purchaser (and any account for which
it is  purchasing)  was offered the Shares and the Warrant,  it (and any managed
account for which it is  purchasing)  was, and at the date  hereof,  it (and any
managed account for which it is purchasing) is, and at the Closing Date, it (and
any  managed  account  for  which  it is  purchasing)  will be,  an  "accredited
investor" as defined in Rule 501(a) under the Securities Act.

     (d) Experience of Purchaser.  The Purchaser,  either alone or together with
its  representatives,  has such  knowledge,  sophistication  and  experience  in
business and financial  matters so as to be capable of evaluating the merits and
risks of the prospective investment in the Securities,  and has so evaluated the
merits and risks of such investment.

     (e) Ability of Purchaser to Bear Risk of Investment.  The Purchaser is able
to bear the economic risk of an investment in the Securities and, at the present
time, is able to afford a complete loss of such investment.

     (f)  Access to  Information.  The  Purchaser  acknowledges  receipt  of the
Disclosure Materials and further acknowledges that it or its representatives has
been  afforded  (i) the  opportunity  to ask  such  questions  as it has  deemed
necessary  of, and to  receive  answers  from,  representatives  of the  Company
concerning  the terms and  conditions of the offering of the  Securities and the
merits and risks of an investment therein;  (ii) access to information about the
Company and the Company's financial condition, results of operations,  business,
properties and management  sufficient to enable it to evaluate such  investment;
and (iii)  the  opportunity  to obtain  such  additional  information  which the
Company possesses or can acquire without  unreasonable effort or expense that is
necessary  to  make  an  informed   investment  decision  with  respect  to  the
Securities.  

     (g) Manner of Sale. At no time was Purchaser presented with or solicited by
or through any leaflet, public promotional meeting,  television advertisement or
any other form of general  solicitation  or advertising  in connection  with its
purchase of the Shares or the Warrant.
<PAGE>
     (h)  Reliance.  The Purchaser  understands  and  acknowledges  that (i) the
Shares and the Warrant are being offered and sold, and the Underlying Shares are
being offered, to it without  registration under the Securities Act in a private
placement that is exempt from the registration  provisions of the Securities Act
and (ii) the  availability  of such  exemption  depends in part on, and that the
Company  will  rely  upon  the  accuracy  and  truthfulness  of,  the  foregoing
representations and the Purchaser hereby consents to such reliance.

     The  Company   acknowledges   and  agrees  that  the  Purchaser   makes  no
representation or warranty with respect to the transactions  contemplated hereby
other than those specifically set forth in this Section 3.2.


                                   ARTICLE IV

                         OTHER AGREEMENTS OF THE PARTIES
                         -------------------------------

     
     4.1. Transfer  Restrictions.  (a) If the Purchaser should decide to dispose
of any of the  Shares or any  portion of the  Warrant  (and upon  conversion  or
exercise  thereof,  as the case may be, any  Underlying  Shares),  the Purchaser
understands  and  agrees  that  it  may  do so  only  pursuant  to an  effective
registration  statement  under the Securities Act, to the Company or pursuant to
an available exemption from the registration requirements thereof. In connection
with any transfer of any of the  Securities  other than pursuant to an effective
registration statement or to the Company, the Company may require the transferor
of such  Securities to provide to the Company an opinion of counsel  experienced
in the area of United States  securities  laws selected by the  transferor,  the
form and  substance of which opinion  shall be  reasonably  satisfactory  to the
Company, to the effect that such transfer does not require  registration of such
Securities under the Securities Act.

     (b) The Purchaser agrees to the imprinting,  so long as is required by this
Section  4.1(b),  of the  following  legend  on  certificates  representing  the
Securities:

     [NEITHER THESE  SECURITIES NOR THE SECURITIES  INTO WHICH THESE  SECURITIES
     ARE [CONVERTIBLE]  [EXERCISABLE]] [THE SECURITIES  REPRESENTED HEREBY] HAVE
     [NOT] BEEN  REGISTERED  WITH THE SECURITIES AND EXCHANGE  COMMISSION OR THE
     SECURITIES  COMMISSION  OF ANY STATE IN  RELIANCE  UPON AN  EXEMPTION  FROM
     REGISTRATION  UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES
     ACT"), AND,  ACCORDINGLY,  MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN
     EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN
     AVAILABLE   EXEMPTION  FROM,  OR  IN  A  TRANSACTION  NOT  SUBJECT  TO  THE
     REGISTRATION  REQUIREMENTS  THEREUNDER  AND IN COMPLIANCE  WITH  APPLICABLE
     STATE SECURITIES OR BLUE SKY LAWS.
<PAGE>
     [FOR SHARES ONLY] THE SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO
     CERTAIN  RESTRICTIONS ON TRANSFER AND CONVERSION SET FORTH IN A CONVERTIBLE
     PREFERRED  STOCK PURCHASE  AGREEMENT,  DATED AS OF APRIL 30, 1998,  BETWEEN
     VASOMEDICAL, INC. (THE "COMPANY") AND THE ORIGINAL HOLDER HEREOF. A COPY OF
     THAT AGREEMENT IS ON FILE AT THE PRINCIPAL OFFICE OF THE COMPANY.

     The Underlying Shares issuable upon conversion of Shares or exercise of the
Warrant, as the case may be, shall not contain the legend set forth above if the
conversion  of Shares or  exercise  of the  Warrant  occurs at any time while an
Underlying Shares Registration  Statement is effective under the Securities Act,
or in the  event  there  is  not an  effective  Underlying  Shares  Registration
Statement at such time, if in the opinion of counsel to the Company  experienced
in the area of United States  securities  laws such legend is not required under
applicable    requirements   of   the   Securities   Act   (including   judicial
interpretations and pronouncements  issued by the staff of the Commission).  The
Company  agrees  that  it will  provide  the  Purchaser,  upon  request,  with a
certificate  or  certificates  representing  Underlying  Shares,  free from such
legend at such time as such legend is no longer required hereunder.

     
     Section  4.2.  Stop  Transfer  Instruction.  The  Company  may not make any
notation  on its  records  or give  instructions  to any  transfer  agent of the
Company which enlarge the  restrictions  of transfer set forth in Section 4.1(b)
above.

     Section 4.3.  Furnishing of Information.  For so long as the Purchaser owns
Shares or  Underlying  Shares,  the Company  covenants to timely file (or obtain
valid  extensions  in respect  thereof) all reports  required to be filed by the
Company after the date hereof pursuant to Section 13(a) or 15(d) of the Exchange
Act and, if requested,  to promptly furnish the Purchaser with true and complete
copies of all such  filings.  Until  such time as all  Underlying  Shares may be
resold under Rule 144(k) promulgated under the Securities Act, if the Company is
not at the time  required to file  reports  pursuant to such  sections,  it will
prepare and furnish to the Purchaser annual and quarterly financial  statements,
together with a discussion and analysis of such financial statements in form and
substance  substantially similar to those that would otherwise be required to be
included in reports  required by Section  13(a) or 15(d) of the  Exchange Act in
the time period  that such  filings  would have been  required to have been made
under the Exchange Act.


     Section 4.4. Use of Disclosure  Materials.  The Company consents to the use
of the SEC  Documents,  and  any  amendments  and  supplements  thereto,  by the
Purchaser in  connection  with resales of  Securities  other than pursuant to an
effective registration statement.
<PAGE>

     Section 4.5. Increase in Authorized Shares. At any such time as the Company
would be, if (with  respect  to the  Shares)  a notice  of  conversion  or (with
respect to the  Warrant)  form of election to purchase  were to be  delivered on
such date,  precluded from converting at least 135% of the full number of Shares
that remain  unconverted or from exercising the entire Warrant at such date (the
"Overflow  Date"),  as the case may be, due to the  unavailability of authorized
but unissued or  re-acquired  Common Stock the Board of Directors of the Company
shall promptly (and in any case within 14 Business Days from such date) cause to
be prepared and filed with the SEC and mailed to the shareholders of the Company
within  seven (7)  Business  Days  after  clearance  by the SEC or 15 days after
filing with the SEC in the event the SEC has not commented on such filing, proxy
materials  requesting  authorization  to  amend  the  Company's  certificate  of
incorporation to increase the number of shares of Common Stock which the Company
is  authorized  to issue at least to such  number of  shares of Common  Stock as
would be  necessary or to promptly  effect a reverse  stock split so that it can
satisfy  its  conversion  and  exercise   obligations  in  accordance  with  the
Certificate of Designation  and Warrant.  In connection  with an increase in the
number of Shares,  the Board of  Directors  shall (a) adopt  proper  resolutions
authorizing  such increase,  (b) recommend to and otherwise use its best efforts
to promptly and duly obtain  stockholder  approval to carry out such resolutions
(and hold a special meeting of the shareholders no later than the 40th day after
mailing  of the proxy  materials  relating  to such  meeting)  and (c)  within 5
Business Days of obtaining such shareholder  authorization,  file an appropriate
amendment  to the  Company's  certificate  of  incorporation  to  evidence  such
increase.


     Section 4.6.  Blue Sky Laws.  In accordance  with the  Registration  Rights
Agreement,  the Company shall qualify the Underlying Shares under the securities
or Blue Sky laws of such  jurisdictions as the Purchaser may reasonably  request
and continue such  qualification  at all times until the Purchaser  notifies the
Company in writing  that it no longer owns  Shares,  the  Warrant or  Underlying
Shares;  provided,  however, that neither the Company nor its Subsidiaries shall
be required in connection  therewith to qualify as a foreign  corporation  where
they are not now so qualified.

     Section  4.7.  Integration.  The  Company  shall not and shall use its best
efforts to ensure that no Affiliate shall sell, offer for sale or solicit offers
to buy or otherwise  negotiate in respect of any security (as defined in Section
2 of the Securities  Act) that would be integrated with the offer or sale of the
Shares,  the Warrant or the Underlying Shares in a manner that would require the
registration  under the Securities Act of the sale of the Shares, the Warrant or
Underlying Shares to the Purchaser.

     Section 4.8. Solicitation  Materials.  The Company shall not (i) distribute
any offering  materials in connection  with the offering and sale of the Shares,
the Warrant or  Underlying  Shares other than the  Disclosure  Materials and any
amendments  and  supplements  thereto  prepared in  compliance  herewith or (ii)
solicit any offer to buy or sell the Shares, the Warrant or Underlying Shares by
means of any form of general solicitation or advertising.
<PAGE>
     Section 4.9.  Right of First  Refusal;  Subsequent  Registrations;  Certain
Corporate  Actions.  (a) The Company shall not, directly or indirectly,  without
the prior written  consent of the Purchaser,  offer,  sell,  grant any option to
purchase, or otherwise dispose (or announce any offer, sale, grant or any option
to  purchase or other  disposition)  of any of its or its  Affiliates  equity or
equity-equivalent  securities at a price which is on the face thereof or implied
therein,  less  than  either  the  market  price or fair  market  value for such
securities  (a  "Subsequent  Financing")  for a period of 180 days after Closing
Date, except (i) the granting of options or warrants to employees,  officers and
directors,  and the issuance of shares upon exercise of options  granted,  under
any stock option plan  heretofore  or  hereinafter  duly adopted by the Company,
(ii) shares issued upon exercise of any currently  outstanding warrants and upon
conversion of any currently outstanding convertible preferred stock in each case
disclosed  in Schedule  3.1(c),  and (iii)  shares of Common  Stock  issued upon
conversion  of  Shares  in  accordance  with  the  terms of the  Certificate  of
Designation,  unless (A) the Company  delivers to the Purchaser a written notice
(the "Subsequent  Financing  Notice") of its intention to effect such Subsequent
Financing, which Subsequent Financing Notice shall describe in reasonable detail
the proposed terms of such Subsequent Financing, the amount of proceeds intended
to be raised thereunder, the Person with whom such Subsequent Financing shall be
affected,  and a term  sheet  or  similar  document  relating  thereto  shall be
attached to such  Subsequent  Financing  Notice and (B) the Purchaser  shall not
have notified the Company by 5:00 p.m.  (Eastern Time) on the fifth Business Day
after its  receipt of the  Subsequent  Financing  Notice of its  willingness  to
provide (or to cause its sole  designee to provide),  subject to  completion  of
mutually acceptable documentation, financing to the Company on substantially the
terms set forth in the Subsequent  Financing Notice. If the Purchaser shall fail
to notify the Company of its  intention to enter into such  negotiations  within
such time period, the Company may effect the Subsequent Financing  substantially
upon the terms and to the Persons (or  Affiliates  of such Persons) set forth in
the Subsequent  Financing Notice;  provided,  that the Company shall provide the
Purchaser with a second  Subsequent  Financing  Notice,  and the Purchaser shall
again have the right of first refusal set forth above in this  paragraph (a), if
the Subsequent  Financing  subject to the initial  Subsequent  Financing  Notice
shall not have been  consummated  for any  reason on the terms set forth in such
Subsequent  Financing  Notice  within  60  Business  Days  after the date of the
initial  Subsequent  Financing  Notice with the Person (or an  Affiliate of such
Person) identified in the Subsequent Financing Notice.

     (b) Except  Underlying Shares and other  "Registrable  Securities" (as such
term is  defined in the  Registration  Rights  Agreement)  to be  registered  in
accordance with the Registration Rights Agreement, other than Company securities
to be registered  under post  effective  amendments  of the  Company's  existing
registration  statements on Forms S-3, S-4 or S-8 (each as promulgated under the
Act) and other than Company securities to be registered for resale in connection
with financings permitted pursuant to Section 4.9(a)(i) through 4.9(a)(iii), the
Company shall not, without the prior written consent of the Purchaser, (i) issue
or  sell  any of its or any  of  its  Affiliates'  equity  or  equity-equivalent
securities  pursuant to Regulation S promulgated  under the  Securities  Act, or
(ii) register for resale any  securities of the Company for a period of not less
than 90 Trading  Days  after the date that the  Underlying  Shares  Registration
Statement is declared  effective by the Commission.  Any days that the Purchaser
is unable to sell  Underlying  Shares under the Underlying  Shares  Registration
Statement  shall be added to such 90 Trading Day period for the  purposes of (i)
and (ii) above.
<PAGE>
     (c) As long as there are  Shares  outstanding,  the  Company  shall not and
shall cause the  Subsidiaries  not to, without the consent of the holders of the
Preferred  Stock,  (i) amend its certificate of  incorporation,  bylaws or other
charter documents so as to adversely affect any rights of the Purchaser,  except
the Company is permitted to increase authorized stock and/or engage in a reverse
stock split; (ii) repay,  repurchase or offer to repay,  repurchase or otherwise
acquire shares of its Common Stock other than as to the Underlying Shares except
under Company  option plans;  or (iii) enter into any agreement  with respect to
any of the foregoing.


     Section 4.10.  Purchaser  Ownership of Common Stock.  The Purchaser may not
use  its  ability  to  convert  Shares  hereunder  or  under  the  terms  of the
Certificate of Designation  to the extent that such  conversion  would result in
the Purchaser beneficially owning (for purposes of Rule 13d-3 under the Exchange
Act) more than 4.99% of the  outstanding  shares of the Common Stock;  provided,
however, that if ten days shall have elapsed since the Purchaser has declared an
event of default  under any  Transaction  Document and such event shall not have
been  cured to the  Purchaser's  satisfaction  prior to the  expiration  of such
ten-day  period,  the  provisions of this Section 4.10 shall be null and void ab
initio.


     Section 4.11. Listing of Underlying Shares. The Company shall (a) not later
than the tenth  Business Day following  the Closing Date,  prepare and file with
The Nasdaq Sock Market,  Inc. (and each other  national  securities  exchange or
market on which the Common Stock is then listed) an  additional  shares  listing
application  covering at least 7,724,826  Underlying  Shares, (b) take all steps
necessary to cause such shares to be approved for listing on such  exchanges and
markets  as soon  as  possible  thereafter,  and (c)  provide  to the  Purchaser
evidence of such filing and listing,  and the Company shall maintain the listing
of its Common Stock on such exchange.


     Section 4.12.  Certain Redemption Events. (a) In the event that at any time
within the five-year  period after the Closing Date trading in the shares of the
Common Stock is suspended on the Nasdaq  SmallCap  Market or any other principal
market or exchange for such shares (other than as a result of the  suspension of
trading  in  securities  on such  market  or  exchange  generally  or  temporary
suspensions  pending the release of  material  information)  for more than three
Trading Days or delisted from the Nasdaq  SmallCap  Market,  unless  immediately
therewith the Common Stock is listed for trading on the New York Stock Exchange,
the American Stock Exchange or the Nasdaq  National  Market,  at the Purchaser's
option  exercisable  by five  Business  Days prior  notice to the  Company,  the
Company shall redeem all Shares and
<PAGE>
Underlying  Shares then held by the  Purchaser,  at an aggregate  purchase price
equal  to the  sum of (I) the  number  of  Shares  then  held  by the  Purchaser
multiplied  by the product of (A) the Per Share Market Value for the Trading Day
immediately  preceding  (1) the day of such notice or (2) the date of payment in
full of the redemption price  calculated  under this Section 4.12,  whichever is
greater, multiplied by (B) the Conversion Ratio on the date of such notice, (II)
the number of Underlying Shares then held by the Purchaser multiplied by the Per
Share Market Value for the Trading Day immediately preceding (A) the date of the
notice or (B) the date of payment in full by the Company of the redemption price
calculated under this Section 4.12, whichever is greater, (III) the aggregate of
all  accrued  but unpaid  dividends  and other  amounts  than due and payable on
account of all Shares to be redeemed, and (IV) interest on the amounts set forth
in I - III  above  accruing  from  the 5th  day  after  such  notice  until  the
redemption  price under this Section 4.12 is paid in full at the rate of 15% per
annum (the "Redemption Price").

     (b) In the event the Underlying  Shares  Registration  Statement  shall not
have been  declared  effective  by the  Commission  on or prior to the 180th day
after the Closing Date,  then, at the  Purchaser's  option,  exercisable by five
Business  Days prior notice to the Company,  the Company shall redeem all Shares
and  Underlying  Shares  then  held by the  Purchaser  at a price  equal  to the
Redemption Price.

     (c) In the event that any  conversion  of Shares or exercise of the Warrant
would, if honored in full, result in the triggering of the Company's Shareholder
Rights  Plan as then  in  effect,  the  Company  shall  (i)  timely  honor  such
conversion  and/or exercise (as the case may be) and issue Underlying  Shares up
to the maximum number,  and (ii) redeem all other Underlying Shares that are not
delivered  in respect of such  conversion  or  exercise  at a price equal to the
Redemption  Price.  This  provision  shall apply to any  subsequent  conversions
and/or exercises.  

     Section 4.13. No Violation of Applicable Law. Notwithstanding any provision
of this  Agreement to the contrary,  if any  redemption of Securities  otherwise
required  under the  Transaction  Documents  would be prohibited by the relevant
provisions of the Delaware  General  Corporation  Law, such redemption  shall be
effected as soon as it is permitted  under such law;  provided,  however,  that,
interest  payable  by the  Company  with  respect to any such  redemption  shall
continue to accrue in accordance with Section 4.12 during any such period.

     Section 4.14.  Redemption  Restrictions.  Notwithstanding  any provision of
this  Agreement to the  contrary,  if any  redemption  of  Securities  otherwise
required under this Agreement would be prohibited in the absence of consent from
any lender of the Company or of any  Subsidiary,  or by the holders of any class
of securities  of the Company,  the Company shall use its best efforts to obtain
such  consent as promptly  as  practicable  after the  redemption  is  required.
Interest  payable  by the  Company  with  respect to any such  redemption  shall
continue  to accrue in  accordance  with  Section  4.12  until  such  consent is
obtained.  Nothing  contained in this Section  shall be construed as a waiver by
the  Purchaser  of any  rights  it may  have  by  virtue  of any  breach  of any
representation  or  warranty  of the  Company  herein as to the  absence  of any
requirement to obtain any such consent.
<PAGE>
     Section  4.15.  Notice of Breaches.  Each of the Company and the  Purchaser
shall  give  prompt   written   notice  to  the  other  of  any  breach  of  any
representation,  warranty  or  other  agreement  contained  in  the  Transaction
Documents,  as well as any events or  occurrences  arising after the date hereof
and prior to the Closing  Date,  which could  reasonably  be likely to cause any
representation or warranty or other agreement of such party, as the case may be,
contained therein to be incorrect or breached as of such Closing Date.  However,
no disclosure  by either party  pursuant to this Section shall be deemed to cure
any breach of any such representation,  warranty or other agreement. Neither the
Company, any Subsidiary nor the Purchaser will take, or agree to commit to take,
any action  that is  intended  to make any  representation  or  warranty  of the
Company  or the  Purchaser,  as the case may be,  contained  in the  Transaction
Documents, inaccurate in any respect at the Closing Date.

     Notwithstanding the generality of the foregoing, the Company shall promptly
notify the  Purchaser of any notice or claim  (written or oral) that it receives
from any  lender of the  Company  to the  effect  that the  consummation  of the
transactions  contemplated by any of the Transaction Documents violates or would
violate any  written  agreement  or  understanding  between  such lender and the
Company,  and the Company shall promptly  furnish by facsimile to the holders of
the Shares a copy of any  written  statement  in support of or  relating to such
claim or notice.

     Section 4.16. Conversion  Procedures.  Exhibit F attached hereto sets forth
the procedures with respect to the conversion of the Shares, including the forms
of conversion  notice to be provided  upon  conversion,  instructions  as to the
procedures for conversion,  the form of legal opinion, if necessary,  that shall
be rendered to the Transfer Agent and such other information and instructions as
may be  reasonably  necessary  to enable the  Purchaser to exercise its right of
conversion smoothly and expeditiously.

     Section  4.17.  Conversion  and Exercise  Obligations  of the Company.  The
Company  covenants to honor  conversions of Shares and to honor  exercises under
the Warrant (as the case may be) to deliver Underlying Shares in accordance with
the terms and conditions  and time periods set forth in each of the  Certificate
of Designation and the Warrant.

     Section  4.18.  Transfer  of  Intellectual   Property  Rights.   Except  in
connection  with  the  sale of all or  substantially  all of the  assets  of the
Company that are covered under Section 5 of the Certificate of Designation,  the
Company  shall not  transfer,  sell or  otherwise  dispose of, any  Intellectual
Property Rights, or allow the Intellectual  Property Rights to become subject to
any Liens, without the prior written consent of the Purchaser.
<PAGE>
                                    ARTICLE V

                                  MISCELLANEOUS
                                  -------------
 
     Section 5.1.  Fees and  Expenses.  Except as set forth in the  Registration
Rights  Agreement and except that the Company  shall  reimburse the Purchaser at
the Closing $15,000 for its legal fees and  disbursements,  each party shall pay
the fees and expenses of its advisers,  counsel,  accountants and other experts,
if  any,  and  all  other  expenses  incurred  by  such  party  incident  to the
negotiation, preparation, execution, delivery and performance of this Agreement.
The Company  shall pay all stamp and other taxes and duties levied in connection
with the issuance of the Shares (and upon  conversion  thereof,  the  Underlying
Shares) pursuant hereto.

     Section 5.2. Entire Agreement;  Amendments.  This Agreement,  together with
the Exhibits and Schedules hereto,  the Certificate of Designation,  the Warrant
and the Registration Rights Agreement (together with the respective Exhibits and
Schedules thereto) contain the entire  understanding of the parties with respect
to  the  subject   matter  hereof  and  supersede  all  prior   agreements   and
understandings, oral or written, with respect to such matters.


     Section  5.3.  Notices.  Any and all  notices  or other  communications  or
deliveries  required or permitted to be provided  hereunder  shall be in writing
and  shall be deemed  given and  effective  on the  earliest  of (i) the date of
transmission,  if such notice or communication is delivered via facsimile at the
facsimile  telephone  number  specified in this Section  prior to 4:30 p.m. (New
York City  time) on a  Business  Day,  (ii) the  Business  Day after the date of
transmission,  if such notice or communication is delivered via facsimile at the
facsimile  telephone number specified in the Purchase  Agreement later than 4:30
p.m. (New York City time) on any date and earlier than 11:59 p.m. (New York City
time) on such date,  (iii) the Business Day  following  the date of mailing,  if
sent by nationally  recognized  overnight  courier service,  or (iv) upon actual
receipt by the party to whom such notice is required to be given.

 If to the Company: Vasomedical, Inc.
                    180 Linden Avenue
                    Westbury, NY  11590
                    Facsimile No.:  516-997-2299
                    Attn:  Chief Financial Officer

 With copies to:    Blau, Kramer, Wactlar & Lieberman, P.C.
                    100 Jericho Quadrangle
                    Jericho, NY  11753
                    Facsimile No.:  516-822-5609
                    Attn:  David Lieberman
<PAGE>
If to the Purchaser:JNC Opportunity Fund Ltd.
                    c/o Olympia Capital (Cayman) Ltd.
                    Williams House
                    20 Reid Street
                    Hamilton, HM11
                    Bermuda
                    Facsimile No.:  (441) 295-2305
                    Attn: Director

With copies to:     Encore Capital Management, L.L.C.
                    12007 Sunrise Valley Drive
                    Suite 460
                    Reston, VA  20191
                    Facsimile No.:  (703) 476-7711
                    Attn: Managing Member

                               and

                    Robinson Silverman Pearce Aronsohn &
                         Berman LLP
                    1290 Avenue of the Americas
                    New York, NY  10104
                    Facsimile No.:  (212) 541-4630
                    Attn:  Eric L. Cohen

or such other  address as may be designated  in writing  hereafter,  in the same
manner, by such Person.

     Section 5.4.  Amendments;  Waivers.  No provision of this  Agreement may be
waived  or  amended  except in a written  instrument  signed,  in the case of an
amendment,  by both the Company and the Purchaser,  or, in the case of a waiver,
by the party against whom enforcement of any such waiver is sought. No waiver of
any default with respect to any  provision,  condition  or  requirement  of this
Agreement shall be deemed to be a continuing waiver in the future or a waiver of
any other  provision,  condition or requirement  hereof,  nor shall any delay or
omission of either  party to exercise any right  hereunder in any manner  impair
the exercise of any such right accruing to it thereafter.

     Section 5.5. Headings. The headings herein are for convenience only, do not
constitute a part of this  Agreement  and shall not be deemed to limit or affect
any of the provisions hereof.
<PAGE>
     Section 5.6.  Successors and Assigns.  This Agreement shall be binding upon
and inure to the  benefit of the  parties  and their  successors  and  permitted
assigns.  Neither the Company nor the Purchaser may assign this Agreement or any
rights or obligations  hereunder without the prior written consent of the other,
except that the Purchaser may assign its rights  hereunder and under the Warrant
and the  Registration  Rights  Agreement  without  the  consent of the  Company,
provided,  that the Company shall have the right to require any such assignee to
execute a counterpart of this Agreement and any other  Transaction  Documents to
which the assignor was a party as a condition to such holders claim to any right
hereunder or  thereunder.  The  assignment  by a party of this  Agreement or any
rights  hereunder  shall not affect  the  obligations  of such party  under this
Agreement.

     Section 5.7. No Third-Party  Beneficiaries.  This Agreement is intended for
the benefit of the parties hereto and their respective  permitted successors and
assigns and, other than with respect to permitted  assignees  under Section 5.6,
is not for the benefit  of, nor may any  provision  hereof be  enforced  by, any
other person.

     Section  5.8.  Governing  Law.  This  Agreement  shall be  governed  by and
construed and enforced in accordance  with the internal laws of the State of New
York without regard to the principles of conflicts of law thereof.

     Section 5.9. Survival.  The  representations  and warranties of the Company
and the Purchaser  contained in Article III and the  agreements and covenants of
the parties contained in Article IV and this Article V shall survive the Closing
(or any earlier  termination of this Agreement) and any conversion of Shares and
exercise of the Warrant.

     Section 5.10. Counterpart Signatures. This Agreement may be executed in two
or more  counterparts,  all of which when taken together shall be considered one
and the same agreement and shall become  effective when  counterparts  have been
signed by each party and delivered to the other party, it being  understood that
both parties need not sign the same counterpart. In the event that any signature
is delivered by facsimile transmission,  such signature shall create a valid and
binding  obligation of the party executing (or on whose behalf such signature is
executed) the same with the same force and effect as if such facsimile signature
page were an original thereof.

     Section 5.11.  Publicity.  The Company and the Purchaser shall consult with
each other in issuing any press releases or otherwise  making public  statements
with respect to the  transactions  contemplated  hereby and neither  party shall
issue any such press release or otherwise make any such public statement without
the prior written consent of the other,  which consent shall not be unreasonably
withheld or  delayed,  except  that no prior  consent  shall be required if such
disclosure  is required by law,  in which such case the  disclosing  party shall
provide the other party with prior notice of such public statement.
<PAGE>
     Section 5.12.  Severability.  In case any one or more of the  provisions of
this Agreement shall be invalid or  unenforceable  in any respect,  the validity
and enforceability of the remaining terms and provisions of this Agreement shall
not in any way be affecting or impaired  thereby and the parties will attempt to
agree  upon a valid  and  enforceable  provision  which  shall  be a  reasonable
substitute  therefor,  and upon so agreeing,  shall  incorporate such substitute
provision in this Agreement.

     Section  5.13.  Remedies.  In  addition to being  entitled to exercise  all
rights provided  herein or granted by law,  including  recovery of damages,  the
Purchaser  will be entitled to specific  performance  of the  obligations of the
Company  under this  Agreement  and the  Company  will be  entitled  to specific
performance of the  obligations  of the Purchaser  hereunder with respect to the
subsequent transfer of Shares and the Underlying Shares. Each of the Company and
the Purchaser  agrees that monetary  damages would not be adequate  compensation
for any loss  incurred by reason of any breach of its  obligations  described in
the  foregoing  sentence  and hereby  agrees to waive in any action for specific
performance  of any such  obligation  the defense  that a remedy at law would be
adequate.


                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK,
                             SIGNATURE PAGE FOLLOWS]

<PAGE>


IN WITNESS  WHEREOF,  the parties  hereto have caused this  Agreement to be duly
executed as of the date first indicated above.



                                   Company:

                                   VASOMEDICAL, INC.




                                   By:
                                      Name:
                                      Title:


                                   Purchaser:

                                   JNC OPPORTUNITY FUND LTD.




                                   By:
                                      Name:
                                      Title:


                          REGISTRATION RIGHTS AGREEMENT
                          -----------------------------
                         
     This Registration  Rights Agreement (this  "Agreement") is made and entered
into as of April 30, 1998,  between  Vasomedical,  Inc., a Delaware  corporation
(the  "Company"),  and JNC  Opportunity  Fund Ltd., a corporation  organized and
existing under the laws of the Cayman Islands (the "Purchaser").

     This Agreement is made pursuant to the Convertible Preferred Stock Purchase
Agreement,  dated as of the date hereof  between  the Company and the  Purchaser
(the "Purchase Agreement").

     The Company and the Purchaser hereby agrees as follows:

     1. Definitions

     Capitalized  terms used and not  otherwise  defined  herein  shall have the
meanings given such terms in the Purchase Agreement.  As used in this Agreement,
the following terms shall have the following meanings:

     "Advice" shall have meaning set forth in Section 3(o).

     "Affiliate"  means,  with  respect to any  Person,  any other  Person  that
directly or indirectly controls or is controlled by or under common control with
such Person.  For the  purposes of this  definition,  "control,"  when used with
respect to any Person, means the possession, direct or indirect, of the power to
direct or cause the  direction  of the  management  and policies of such Person,
whether  through the ownership of voting  securities,  by contract or otherwise;
and the terms of  "affiliated,"  "controlling"  and  "controlled"  have meanings
correlative to the foregoing.

     "Business  Day"  means any day  except  Saturday,  Sunday and any day which
shall be a legal holiday or a day on which banking  institutions in the state of
New York generally are authorized or required by law or other government actions
to close.

     "Closing Date" shall have the meaning set forth in the Purchase Agreement.

     "Commission" means the Securities and Exchange Commission.

     "Common Stock" means the Company's Common Stock, par value $.001 per share.
<PAGE>
     "Effectiveness Date" means the 105th day following the Closing Date.

     "Effectiveness Period" shall have the meaning set forth in Section 2(a).

     "Exchange Act" means the Securities Exchange Act of 1934, as amended.

     "Filing Date" means the 92nd day following the Closing Date.

     "Holder" or "Holders" means the holder or holders, as the case may be, from
time to time of Registrable Securities.

     "Indemnified Party" shall have the meaning set forth in Section 5(c).

     "Indemnifying Party" shall have the meaning set forth in Section 5(c).

     "Losses" shall have the meaning set forth in Section 5(a).

     "New York Courts" shall have the meaning set forth in Section 7(h).

     "Person"  means  an  individual  or  a  corporation,   partnership,  trust,
incorporated or  unincorporated  association,  joint venture,  limited liability
company, joint stock company,  government (or an agency or political subdivision
thereof) or other entity of any kind.

     "Preferred Stock" means the shares of Series C Convertible Preferred Stock,
par value $.01 per share, of the Company issued to the Purchaser pursuant to the
Purchase Agreement.

     "Proceeding"  means an action,  claim,  suit,  investigation  or proceeding
(including,  without limitation, an investigation or partial proceeding, such as
a deposition), whether commenced or threatened.

     "Prospectus"  means the prospectus  included in the Registration  Statement
(including,  without  limitation,  a prospectus  that  includes any  information
previously omitted from a prospectus filed as part of an effective  registration
statement in reliance upon Rule 430A  promulgated  under the Securities Act), as
amended or supplemented by any prospectus supplement,  with respect to the terms
of the  offering of any  portion of the  Registrable  Securities  covered by the
Registration  Statement,  and  all  other  amendments  and  supplements  to  the
Prospectus,  including post-effective  amendments, and all material incorporated
by reference or deemed to be incorporated by reference in such Prospectus.
<PAGE>
     "Registrable Securities" means the shares of Common Stock (a) issuable upon
conversion  of all shares of Preferred  Stock,  (b) upon payment of dividends on
account of the  Preferred  Stock and (c)  issuable  upon  exercise of the Common
Stock  purchase  warrants  issued by the Company to the Purchaser and to Wharton
Capital Partners,  Ltd. in connection with the transactions  contemplated by the
Purchase Agreement; provided, however that in order to account for the fact that
the number of shares of Common Stock that are issuable upon conversion of shares
of  Preferred  Stock is  determined  in part upon the market price of the Common
Stock at the time of conversion,  Registrable Securities shall initially include
no less than 7,724,826 shares of Common Stock.  Notwithstanding  anything herein
contained  to the  contrary,  if the  actual  number of  shares of Common  Stock
issuable upon  conversion  of the Preferred  Stock at any time exceeds twice the
number of shares of Common  Stock  issuable if such  conversion  occurred on the
Closing Date, the term "Registrable  Securities" shall be deemed to include such
additional  shares of Common Stock and the Company  shall  promptly,  but in any
case  within  ten  Business  Days of  notice  of  such  fact,  file  one or more
additional  Registration  Statements  covering such additional  shares of Common
Stock.  The  Company  shall  use its  best  efforts  to  cause  such  additional
Registration Statements to be declared effective as promptly as possible, but in
any  event  within  60  days  after  the  date  of the  notice  triggering  such
requirement.

     "Registration  Statement" means the registration  statement contemplated by
Section 2(a) (and any additional  Registration  Statements  contemplated  in the
definition of Registrable Securities),  including (in each case) the Prospectus,
amendments  and  supplements  to  such  registration  statement  or  Prospectus,
including  pre-and  post-effective  amendments,  all exhibits  thereto,  and all
material  incorporated by reference or deemed to be incorporated by reference in
such registration statement.

     "Rule 144" means Rule 144  promulgated  by the  Commission  pursuant to the
Securities  Act, as such Rule may be amended  from time to time,  or any similar
rule or regulation  hereafter adopted by the Commission having substantially the
same effect as such Rule.

     "Rule 158" means Rule 158  promulgated  by the  Commission  pursuant to the
Securities  Act, as such Rule may be amended  from time to time,  or any similar
rule or regulation  hereafter adopted by the Commission having substantially the
same effect as such Rule.

     "Rule 415" means Rule 415  promulgated  by the  Commission  pursuant to the
Securities  Act, as such Rule may be amended  from time to time,  or any similar
rule or regulation  hereafter adopted by the Commission having substantially the
same effect as such Rule.

     "Securities Act" means the Securities Act of 1933, as amended.

     "Special Counsel" means one firm of counsel to the Holders.

     "Underwritten  Registration or Underwritten  Offering" means a registration
in connection  with which  securities of the Company are sold to an  underwriter
for reoffering to the public pursuant to an effective registration statement.
<PAGE>
2.   Shelf Registration

     (a) On or prior to the Filing Date, the Company shall prepare and file with
the  Commission  a  "Shelf"  Registration  Statement  covering  all  Registrable
Securities  for an offering to be made on a  continuous  basis  pursuant to Rule
415.  The  Registration  Statement  shall be on Form S-3  (except  if  otherwise
directed  by the Holders in  accordance  herewith).  The  Company  shall (i) not
permit any securities  other than the  Registrable  Securities to be included in
the Registration  Statement  (except as permitted  pursuant to Section 7(c)) and
(ii) use its best  efforts to cause the  Registration  Statement  to be declared
effective  under the  Securities  Act as promptly  as possible  after the filing
thereof,  but in any event  prior to the  Effectiveness  Date,  and to keep such
Registration Statement continuously effective under the Securities Act until the
date which is three years  after the date that such  Registration  Statement  is
declared  effective by the Commission or such earlier date when all  Registrable
Securities covered by such Registration  Statement have been sold or may be sold
without volume restrictions pursuant to Rule 144 as determined by the counsel to
the Company  pursuant to a written opinion letter  reasonably  acceptable to the
Holders  and  addressed  to the  Holders  to  such  effect  (the  "Effectiveness
Period");  provided,  however, that the Company shall not be deemed to have used
its best  efforts  to keep  the  Registration  Statement  effective  during  the
Effectiveness Period if it voluntarily takes any action that would result in the
Holders  not  being  able to sell the  Registrable  Securities  covered  by such
Registration  Statement during the Effectiveness  Period,  unless such action is
required under  applicable law or the Company promptly files after such action a
post-effective  amendment to the  Registration  Statement and the Commission has
not declared it effective.

     (b) If the Holders of a majority of the Registrable Securities so elect, an
offering of Registrable Securities pursuant to the Registration Statement may be
effected in the form of an  Underwritten  Offering.  In such  event,  and if the
managing  underwriters  advise the Company and such  Holders in writing  that in
their opinion the amount of Registrable  Securities  proposed to be sold in such
Underwritten Offering exceeds the amount of Registrable  Securities which can be
sold in such Underwritten Offering, there shall be included in such Underwritten
Offering the amount of such Registrable  Securities which in the opinion of such
managing  underwriters  can be sold, and such amount shall be allocated pro rata
among the Holders proposing to sell Registrable  Securities in such Underwritten
Offering.

     (c) If any of the Registrable  Securities are to be sold in an Underwritten
Offering,  the investment  banker or investment  bankers and manager or managers
that will  administer the offering will be reputable firms that will be selected
by the  Holders of a majority  of the  Registrable  Securities  included in such
offering upon consultation with (but not consent of) the Company.  No Holder may
participate in any Underwritten Offering hereunder unless such Person (i) agrees
to sell its  Registrable  Securities on the basis  provided in any  underwriting
agreements   approved  by  the  Persons  entitled   hereunder  to  approve  such
arrangements  and (ii)  completes  and  executes all  questionnaires,  powers of
attorney,  indemnities,  underwriting  agreements and other  documents  required
under the terms of such arrangements.
<PAGE>
3.   Registration Procedures

     In connection with the Company's registration  obligations  hereunder,  the
Company shall:

     (a) Prepare and file with the  Commission  on or prior to the Filing Date a
Registration  Statement on Form S-3 in accordance  with the method or methods of
distribution  thereof as specified by the Holders (except if otherwise  directed
by the Holders),  and cause the  Registration  Statement to become effective and
remain effective as provided herein; provided, however, that not less than three
(3)  Business  Days prior to the  filing of the  Registration  Statement  or any
related  Prospectus  or any  amendment  or  supplement  thereto  (including  any
document  that would be  incorporated  or deemed to be  incorporated  therein by
reference),  the Company shall (i) furnish to the Holders, their Special Counsel
and any  managing  underwriters,  copies of all such  documents  proposed  to be
filed,   which  documents  (other  than  those  incorporated  or  deemed  to  be
incorporated by reference) will be subject to the review of such Holders,  their
Special Counsel and such managing underwriters,  and (ii) cause its officers and
directors,  counsel and independent  certified public  accountants to respond to
such  inquiries as shall be necessary,  in the opinion of respective  counsel to
such Holders and such underwriters, to conduct a reasonable investigation within
the meaning of the Securities  Act. The Company shall not file the  Registration
Statement or any such  Prospectus or any  amendments or  supplements  thereto to
which the Holders of a majority of the  Registrable  Securities,  their  Special
Counsel,  or any  managing  underwriters,  shall  reasonably  object on a timely
basis.

     (b) (i) Prepare and file with the  Commission  such  amendments,  including
post-effective  amendments, to the Registration Statement as may be necessary to
keep the  Registration  Statement  continuously  effective as to all Registrable
Securities  for the  applicable  time  period  and  prepare  and  file  with the
Commission  such  additional  Registration  Statements  in order to register for
resale under the Securities Act all of the  Registrable  Securities;  (ii) cause
the related Prospectus to be amended or supplemented by any required  Prospectus
supplement,  and as so  supplemented or amended to be filed pursuant to Rule 424
(or any similar  provisions then in force) promulgated under the Securities Act;
(iii)  respond as promptly as  practicable  to any  comments  received  from the
Commission with respect to the Registration  Statement or any amendment  thereto
and promptly provide the Holders true and complete copies of all  correspondence
from and to the  Commission  relating to the  Registration  Statement;  and (iv)
comply with the  provisions  of the  Securities  Act and the  Exchange  Act with
respect  to  the  disposition  of  all  Registrable  Securities  covered  by the
Registration  Statement  during the  applicable  period in  accordance  with the
intended  methods  of  disposition  by the  Holders  thereof  set  forth  in the
Registration Statement as so amended or in such Prospectus as so supplemented.
<PAGE>
     (c) Notify the Holders of Registrable  Securities to be sold, their Special
Counsel and any managing  underwriters  immediately  (and, in the case of (i)(A)
below,  not less than three (3) days prior to such filing) and (if  requested by
any such  Person)  confirm such notice in writing no later than one (1) Business
Day following the day (i)(A) when a Prospectus or any  Prospectus  supplement or
post-effective  amendment to the Registration Statement is proposed to be filed;
(B) when the Commission notifies the Company whether there will be a "review" of
such Registration  Statement and whenever the Commission  comments in writing on
such Registration  Statement (the Company shall provide true and complete copies
thereof to each of the Holders  upon request  therefor)  and (C) with respect to
the Registration  Statement or any post-effective  amendment,  when the same has
become effective;  (ii) of any request by the Commission or any other Federal or
state  governmental  authority for amendments or supplements to the Registration
Statement or Prospectus or for additional information;  (iii) of the issuance by
the  Commission  of  any  stop  order   suspending  the   effectiveness  of  the
Registration  Statement covering any or all of the Registrable Securities or the
initiation of any Proceedings  for that purpose;  (iv) if at any time any of the
representations  and  warranties  of the  Company  contained  in  any  agreement
(including any underwriting agreement) contemplated hereby ceases to be true and
correct in all  material  respects;  (v) of the  receipt  by the  Company of any
notification  with respect to the suspension of the  qualification  or exemption
from  qualification  of  any of  the  Registrable  Securities  for  sale  in any
jurisdiction,  or the  initiation  or  threatening  of any  Proceeding  for such
purpose;  and (vi) of the  occurrence of any event that makes any statement made
in the  Registration  Statement or  Prospectus or any document  incorporated  or
deemed to be incorporated therein by reference untrue in any material respect or
that requires any revisions to the Registration  Statement,  Prospectus or other
documents so that, in the case of the Registration  Statement or the Prospectus,
as the case may be, it will not contain any untrue  statement of a material fact
or omit to state any material fact required to be stated therein or necessary to
make the statements therein, in light of the circumstances under which they were
made, not misleading.

     (d) Use its best efforts to avoid the  issuance  of, or, if issued,  obtain
the withdrawal of (i) any order suspending the effectiveness of the Registration
Statement  or (ii)  any  suspension  of the  qualification  (or  exemption  from
qualification)   of  any  of  the   Registrable   Securities  for  sale  in  any
jurisdiction, at the earliest practicable moment.

     (e) If requested by any managing  underwriter  or the Holders of a majority
of the  Registrable  Securities  to be sold in connection  with an  Underwritten
Offering,  (i) promptly incorporate in a Prospectus supplement or post-effective
amendment  to the  Registration  Statement  such  information  as such  managing
underwriters  and such Holders  reasonably  agree should be included therein and
(ii) make all  required  filings of such  Prospectus  supplement  or such post--
effective  amendment  as soon as  practicable  after the  Company  has  received
notification of the matters to be incorporated in such Prospectus  supplement or
post-effective  amendment;  provided,  however,  that the  Company  shall not be
required to take any action  pursuant to this  Section  3(e) that would,  in the
opinion of counsel for the Company, violate applicable law.
<PAGE>
     (f)  Furnish  to each  Holder,  their  Special  Counsel  and  any  managing
underwriters,  without charge,  at least one conformed copy of each Registration
Statement  and  each  amendment  thereto,  including  financial  statements  and
schedules,  all documents  incorporated or deemed to be incorporated  therein by
reference,  and all exhibits to the extent  requested by such Person  (including
those  previously  furnished or  incorporated  by reference)  promptly after the
filing of such documents with the Commission.

     (g)  Promptly  deliver  to each  Holder,  their  Special  Counsel,  and any
underwriters,  without charge,  as many copies of the Prospectus or Prospectuses
(including each form of prospectus) and each amendment or supplement  thereto as
such Persons may reasonably request;  and the Company hereby consents to the use
of such  Prospectus  and each  amendment  or  supplement  thereto by each of the
selling Holders and any underwriters in connection with the offering and sale of
the  Registrable  Securities  covered by such  Prospectus  and any  amendment or
supplement thereto.

     (h) Prior to any public  offering of Registrable  Securities,  use its best
efforts to  register  or qualify or  cooperate  with the  selling  Holders,  any
underwriters and their respective counsel in connection with the registration or
qualification  (or exemption from such  registration or  qualification)  of such
Registrable  Securities for offer and sale under the securities or Blue Sky laws
of such  jurisdictions  within  the United  States as any Holder or  underwriter
reasonably  requests in writing, to keep each such registration or qualification
(or exemption therefrom) effective during the Effectiveness Period and to do any
and all other acts or things necessary or advisable to enable the disposition in
such  jurisdictions  of the  Registrable  Securities  covered by a  Registration
Statement;  provided, however, that the Company shall not be required to qualify
generally to do business in any  jurisdiction  where it is not then so qualified
or to take any action that would subject it to general service of process in any
such jurisdiction  where it is not then so subject or subject the Company to any
material tax in any such jurisdiction where it is not then so subject.

     (i) Cooperate with the Holders and any managing  underwriters to facilitate
the timely  preparation  and delivery of certificates  representing  Registrable
Securities  to be sold,  which  certificates  shall  be free of all  restrictive
legends,  and to enable such Registrable  Securities to be in such denominations
and  registered in such names as any such managing  underwriters  or Holders may
request at least two Business Days prior to any sale of Registrable Securities.

     (j) Upon the occurrence of any event  contemplated by Section 3(c)(vi),  as
promptly  as  practicable,  prepare  a  supplement  or  amendment,  including  a
post-effective  amendment,  to the Registration Statement or a supplement to the
related  Prospectus or any document  incorporated  or deemed to be  incorporated
therein  by  reference,  and file  any  other  required  document  so  that,  as
thereafter  delivered,  neither the  Registration  Statement nor such Prospectus
will contain an untrue  statement of a material fact or omit to state a material
fact required to be stated therein or necessary to make the statements  therein,
in light of the circumstances under which they were made, not misleading.
<PAGE>
     (k) Use its best efforts to cause all  Registrable  Securities  relating to
such  Registration  Statement to be listed on the Nasdaq SmallCap Market and any
other securities exchange, quotation system, market or over-the-counter bulletin
board,  if any,  on which  similar  securities  issued by the  Company  are then
listed.

     (l) Enter into such  agreements  (including  an  underwriting  agreement in
form,  scope and substance as is customary in  Underwritten  Offerings) and take
all such other  actions in  connection  therewith  (including  those  reasonably
requested  by any  managing  underwriters  and the  Holders of a majority of the
Registrable  Securities  being  sold) in order to  expedite  or  facilitate  the
disposition of such Registrable  Securities,  and whether or not an underwriting
agreement is entered into, (i) make such  representations and warranties to such
Holders and such underwriters as are customarily made by issuers to underwriters
in underwritten  public  offerings,  and confirm the same if and when requested;
(ii)  obtain  and  deliver  copies  thereof  to each  Holder  and  the  managing
underwriters,  if any, of opinions of counsel to the Company and updates thereof
addressed to each selling Holder and each such  underwriter,  in form, scope and
substance reasonably  satisfactory to any such managing underwriters and Special
Counsel to the  selling  Holders  covering  the matters  customarily  covered in
opinions  requested in  Underwritten  Offerings and such other matters as may be
reasonably requested by such Special Counsel and underwriters; (iii) immediately
prior to the effectiveness of the Registration Statement, and, in the case of an
Underwritten  Offering,  at the time of delivery of any  Registrable  Securities
sold pursuant thereto, obtain and deliver copies to the Holders and the managing
underwriters,  if any, of "cold  comfort"  letters and updates  thereof from the
independent certified public accountants of the Company (and, if necessary,  any
other independent  certified public accountants of any subsidiary of the Company
or of any business  acquired by the Company for which  financial  statements and
financial  data  is,  or  is  required  to  be,  included  in  the  Registration
Statement),  addressed to each selling Holder and each of the  underwriters,  if
any, in form and  substance as are  customary in  connection  with  Underwritten
Offerings;  (iv) if an  underwriting  agreement is entered into,  the same shall
contain  indemnification  provisions  and  procedures  no less  favorable to the
selling Holders and the underwriters,  if any, than those set forth in Section 6
(or  such  other   provisions   and   procedures   acceptable  to  the  managing
underwriters,  if any,  and  holders of a  majority  of  Registrable  Securities
participating in such Underwritten  Offering; and (v) deliver such documents and
certificates as may be reasonably  requested by the Holders of a majority of the
Registrable  Securities  being sold,  their  Special  Counsel  and any  managing
underwriters  to evidence  the  continued  validity of the  representations  and
warranties made pursuant to clause 3(l)(i) above and to evidence compliance with
any  customary  conditions  contained  in the  underwriting  agreement  or other
agreement entered into by the Company.
<PAGE>
     (m)  Make   available   for   inspection  by  the  selling   Holders,   any
representative of such Holders, any underwriter participating in any disposition
of  Registrable  Securities,  and any  attorney or  accountant  retained by such
selling  Holders or  underwriters,  at the offices where normally  kept,  during
reasonable business hours, all financial and other records,  pertinent corporate
documents  and  properties  of the Company and its  subsidiaries,  and cause the
officers, directors, agents and employees of the Company and its subsidiaries to
supply  all   information   in  each  case   requested   by  any  such   Holder,
representative,  underwriter,  attorney or  accountant  in  connection  with the
Registration  Statement  as shall be  reasonably  necessary  to  enable  them to
exercise  their  due  diligence  responsibility;  provided,  however,  that  any
information  that is determined in good faith by the Company in writing to be of
a confidential  nature at the time of delivery of such information shall be kept
confidential  by such  Persons,  unless (i)  disclosure of such  information  is
required  by court  or  administrative  order  or is  necessary  to  respond  to
inquiries of regulatory authorities; (ii) disclosure of such information, in the
opinion of counsel to such Person,  is required by law;  (iii) such  information
becomes generally available to the public other than as a result of a disclosure
or  failure  to  safeguard  by such  Person;  or (iv) such  information  becomes
available to such Person from a source other than the Company and such source is
not known by such  Person to be bound by a  confidentiality  agreement  with the
Company.

     (n) Comply with all applicable  rules and regulations of the Commission and
make generally  available to its security holders earning statements  satisfying
the  provisions  of Section 11(a) of the  Securities  Act and Rule 158 not later
than 45 days after the end of any  12-month  period (or 90 days after the end of
any 12-month  period if such period is a fiscal year) (i)  commencing at the end
of any fiscal quarter in which  Registrable  Securities are sold to underwriters
in a firm commitment or best efforts Underwritten  Offering and (ii) if not sold
to  underwriters  in such an offering,  commencing on the first day of the first
fiscal  quarter of the  Company  after the  effective  date of the  Registration
Statement,  which  statement  shall cover said 12-month  period,  or end shorter
periods as is consistent with the requirements of Rule 158.

     The Company may require each selling  Holder to furnish to the Company such
information  regarding the  distribution  of such  Registrable  Securities as is
required by law to be disclosed in the  Registration  Statement  and the Company
may exclude from such registration the Registrable Securities of any such Holder
who  unreasonably  fails to furnish such  information  within a reasonable  time
after receiving such request.

     If the Registration  Statement refers to any Holder by name or otherwise as
the holder of any  securities  of the  Company,  then such Holder shall have the
right to require (i) the  inclusion  therein of language,  in form and substance
reasonably satisfactory to such Holder, to the effect that the ownership by such
Holder of such  securities  is not to be construed as a  recommendation  by such
Holder of the investment quality of the Company's securities covered thereby and
that such  ownership  does not imply that such Holder will assist in meeting any
future financial  requirements of the Company, or (ii) if such reference to such
Holder by name or otherwise is not required by the Securities Act or any similar
Federal  statute then in force,  the deletion of the reference to such Holder in
any  amendment or  supplement to the  Registration  Statement  filed or prepared
subsequent to the time that such reference ceases to be required.
<PAGE>
     Each Purchaser  covenants and agrees that (i) it will not offer or sell any
Registrable  Securities under the  Registration  Statement until it has received
copies of the  Prospectus as then amended or  supplemented  as  contemplated  in
Section 3(g) and notice from the Company that such  Registration  Statement  and
any  post-effective  amendments thereto have become effective as contemplated by
Section 3(c) and (ii) the Purchaser and its officers,  directors or  Affiliates,
if any, will comply with the prospectus delivery  requirements of the Securities
Act as  applicable to them in connection  with sales of  Registrable  Securities
pursuant to the Registration Statement.

     Each Holder agrees by its acquisition of such Registrable  Securities that,
upon receipt of a notice from the Company of the  occurrence of any event of the
kind described in Section 3(c)(ii),  3(c)(iii),  3(c)(iv),  3(c)(v) or 3(c)(vi),
such  Holder  will  forthwith   discontinue   disposition  of  such  Registrable
Securities  until  such  Holder's  receipt  of the  copies  of the  supplemented
Prospectus and/or amended Registration  Statement  contemplated by Section 3(j),
or until it is advised in writing (the  "Advice") by the Company that the use of
the  applicable  Prospectus  may be resumed,  and, in either case,  has received
copies of any additional or supplemental filings that are incorporated or deemed
to be incorporated by reference in such Prospectus or Registration Statement.
<PAGE>
          4. Registration Expenses

     (a) All fees and expenses incident to the performance of or compliance with
this  Agreement by the Company shall be borne by the Company  whether or not the
Registration  Statement  is filed or becomes  effective  and  whether or not any
Registrable Securities are sold pursuant to the Registration Statement. The fees
and  expenses  referred to in the  foregoing  sentence  shall  include,  without
limitation, (i) all registration and filing fees (including, without limitation,
fees and  expenses  (A) with  respect  to filings  required  to be made with the
National  Association  of Securities  Dealers,  Inc. and (B) in compliance  with
state  securities  or Blue Sky laws  (including,  without  limitation,  fees and
disbursements of counsel for the underwriters or Holders in connection with Blue
Sky  qualifications  of the  Registrable  Securities  and  determination  of the
eligibility of the Registrable  Securities for investment under the laws of such
jurisdictions as the managing underwriters,  if any, or Holders of a majority of
Registrable  Securities  may  designate)),  (ii) printing  expenses  (including,
without limitation, expenses of printing certificates for Registrable Securities
and of printing prospectuses if the printing of prospectuses is requested by the
managing  underwriters,  if  any,  or  by  the  holders  of a  majority  of  the
Registrable Securities included in the Registration Statement), (iii) messenger,
telephone and delivery expenses,  (iv) fees and disbursements of counsel for the
Company,  (v)  fees  and  disbursements  of  all  independent  certified  public
accountants referred to in Section 3(1)(iii) (including, without limitation, the
expenses of any special audit and "cold comfort" letters required by or incident
to such performance), (vi) Securities Act liability insurance, if the Company so
desires  such  insurance,  and (vii)  fees and  expenses  of all  other  Persons
retained by the Company in connection with the  consummation of the transactions
contemplated  by this Agreement.  In addition,  the Company shall be responsible
for all of its internal expenses incurred in connection with the consummation of
the transactions contemplated by this Agreement (including,  without limitation,
all salaries and expenses of its  officers  and  employees  performing  legal or
accounting  duties),  the  expense of any annual  audit,  the fees and  expenses
incurred in  connection  with the listing of the  Registrable  Securities on any
securities  exchange on which similar  securities issued by the Company are then
listed.

     (b) If the Holders require an Underwritten  Offering  pursuant to the terms
hereof,  the Company shall be  responsible  for all costs,  fees and expenses in
connection therewith,  except for the fees and disbursements of the Underwriters
(including any  underwriting  commissions and discounts) and their legal counsel
and  accountants  (which  shall  be borne by the  Holders).  Therefore,  in such
circumstances  the Holder shall bear the expenses of the fees and  disbursements
of any  legal  counsel  or  accounting  firm  retained  by the  underwriters  in
connection with such  Underwritten  Offering and the costs of any  determination
(but not  filing) by the  underwriters  of the  eligibility  of the  Registrable
Securities for investment  under the applicable state securities laws. By way of
illustration which is not intended to diminish any of the provisions hereof, the
Holders shall not be  responsible  for, and the Company shall be required to pay
the fees or  disbursements  incurred  by the  Company  (including  by its  legal
counsel and  accountants)  in connection  with, the  preparation and filing of a
Registration Statement and related Prospectus for such offering, the maintenance
of such Registration  Statement in accordance with the terms hereof, the listing
of the Registrable  Securities in accordance with the requirements  hereof,  and
printing expenses incurred to comply with the requirements hereof.
<PAGE>
     5.1 Indemnification

     (a) Indemnification by the Company. The Company shall,  notwithstanding any
termination of this Agreement and without  limitation as to time,  indemnify and
hold  harmless each Holder,  the  officers,  directors,  agents  (including  any
underwriters  retained by such Holder in  connection  with the offer and sale of
Registrable   Securities),   brokers  (including  brokers  who  offer  and  sell
Registrable  Securities  as  principal as a result of a pledge or any failure to
perform under a margin call of Common Stock),  investment advisors and employees
of each of them, each Person who controls any such Holder (within the meaning of
Section 15 of the  Securities  Act or Section  20 of the  Exchange  Act) and the
officers,  directors,  agents and employees of each such controlling  Person, to
the fullest  extent  permitted by  applicable  law, from and against any and all
losses,  claims,  damages,  liabilities,  costs (including,  without limitation,
reasonable  costs of preparation  and reasonable  attorneys'  fees) and expenses
(collectively,  "Losses"), as incurred, arising out of or relating to any untrue
or alleged  untrue  statement of a material fact  contained in the  Registration
Statement,  any  Prospectus  or any form of  prospectus  or in any  amendment or
supplement  thereto  or in any  preliminary  prospectus,  or  arising  out of or
relating to any omission or alleged  omission of a material  fact required to be
stated therein or necessary to make the  statements  therein (in the case of any
Prospectus  or form  of  prospectus  or  supplement  thereto,  in  light  of the
circumstances under which they were made) not misleading,  except to the extent,
but only to the  extent,  that such untrue  statements  or  omissions  are based
solely  upon  information  regarding  such  Holder  furnished  in writing to the
Company  by or on  behalf  of  such  Holder  expressly  for use  therein,  which
information  was  reasonably  relied on by the Company for use therein or to the
extent that such  information  relates to such Holder or such Holder's  proposed
method of distribution of Registrable  Securities and was reviewed and expressly
approved  in  writing  by such  Holder  expressly  for  use in the  Registration
Statement,  such  Prospectus  or such form of  Prospectus or in any amendment or
supplement  thereto.  The  Company  shall  notify the  Holders  promptly  of the
institution, threat or assertion of any Proceeding of which the Company is aware
in connection with the transactions contemplated by this Agreement.

     (b)  Indemnification  by Holders.  Each  Holder  shall,  severally  and not
jointly,  indemnify and hold harmless the Company,  their  directors,  officers,
agents and employees,  each Person who controls the Company  (within the meaning
of Section 15 of the Securities Act and Section 20 of the Exchange Act), and the
directors,  officers,  agents or employees of such controlling  Persons,  to the
fullest  extent  permitted by  applicable  law,  from and against all Losses (as
determined by a court of competent  jurisdiction in a final judgment not subject
to appeal or  review)  arising  solely  out of or based  solely  upon any untrue
<PAGE>
statement  of a material  fact  contained  in the  Registration  Statement,  any
Prospectus,  or any form of prospectus, or arising solely out of or based solely
upon any omission of a material fact required to be stated  therein or necessary
to make the  statements  therein not  misleading to the extent,  but only to the
extent,  that such untrue  statement or omission is contained in any information
so furnished in writing by such Holder to the Company specifically for inclusion
in the  Registration  Statement or such Prospectus and that such information was
reasonably  relied upon by the Company  for use in the  Registration  Statement,
such  Prospectus  or  such  form  of  prospectus  or to  the  extent  that  such
information  relates  to  such  Holder  or  such  Holder's  proposed  method  of
distribution of Registrable  Securities and was reviewed and expressly  approved
in writing by such Holder expressly for use in the Registration Statement,  such
Prospectus  or such form of  Prospectus.  In no event shall the liability of any
selling Holder  hereunder be greater in amount than the dollar amount of the net
proceeds  received by such Holder  upon the sale of the  Registrable  Securities
giving rise to such indemnification obligation.

     (c) Conduct of  Indemnification  Proceedings.  If any  Proceeding  shall be
brought or asserted  against  any Person  entitled to  indemnity  hereunder  (an
"Indemnified  Party"),  such Indemnified  Party promptly shall notify the Person
from whom  indemnity is sought (the  "Indemnifying  Party") in writing,  and the
Indemnifying Party shall assume the defense thereof, including the employment of
counsel reasonably  satisfactory to the Indemnified Party and the payment of all
fees and expenses  incurred in connection with defense thereof;  provided,  that
the failure of any  Indemnified  Party to give such notice shall not relieve the
Indemnifying Party of its obligations or liabilities pursuant to this Agreement,
except (and only) to the extent that it shall be finally  determined  by a court
of  competent  jurisdiction  (which  determination  is not  subject to appeal or
further  review)  that  such  failure  shall  have  proximately  and  materially
adversely prejudiced the Indemnifying Party.

     An Indemnified Party shall have the right to employ separate counsel in any
such  Proceeding  and to participate  in the defense  thereof,  but the fees and
expenses of such counsel  shall be at the expense of such  Indemnified  Party or
Parties  unless:  (1) the  Indemnifying  Party  has  agreed to pay such fees and
expenses; or (2) the Indemnifying Party shall have failed promptly to assume the
defense of such Proceeding and to employ counsel reasonably satisfactory to such
Indemnified  Party in any such Proceeding;  or (3) the named parties to any such
Proceeding (including any impleaded parties) include both such Indemnified Party
and the Indemnifying  Party, and such Indemnified  Party shall have been advised
by counsel  that a conflict of  interest is likely to exist if the same  counsel
were to represent such Indemnified  Party and the  Indemnifying  Party (in which
case, if such Indemnified Party notifies the Indemnifying  Party in writing that
it elects to employ separate counsel at the expense of the  Indemnifying  Party,
the  Indemnifying  Party shall not have the right to assume the defense  thereof
and such  counsel  shall  be at the  expense  of the  Indemnifying  Party).  The
Indemnifying Party shall not be liable for any settlement of any such Proceeding
effected  without its written  consent,  which consent shall not be unreasonably
withheld.  No Indemnifying Party shall, without the prior written consent of the
Indemnified Party, effect any settlement of any pending Proceeding in respect of
which any  Indemnified  Party is a party,  unless  such  settlement  includes an
unconditional  release of such  Indemnified  Party from all  liability on claims
that are the subject matter of such Proceeding.
<PAGE>
     All fees and expenses of the Indemnified  Party (including  reasonable fees
and  expenses  to the  extent  incurred  in  connection  with  investigating  or
preparing  to defend  such  Proceeding  in a manner not  inconsistent  with this
Section) shall be paid to the Indemnified Party, as incurred, within 10 Business
Days of written notice thereof to the Indemnifying  Party (regardless of whether
it is  ultimately  determined  that an  Indemnified  Party  is not  entitled  to
indemnification  hereunder;  provided,  that the Indemnifying  Party may require
such  Indemnified  Party to undertake to reimburse all such fees and expenses to
the extent it is finally  judicially  determined that such Indemnified  Party is
not entitled to indemnification hereunder).

     (d) Contribution. If a claim for indemnification under Section 5(a) or 5(b)
is  unavailable  to  an  Indemnified  Party  or is  insufficient  to  hold  such
Indemnified Party harmless for any Losses in respect of which this Section would
apply  by its  terms  (other  than by  reason  of  exceptions  provided  in this
Section), then each Indemnifying Party, in lieu of indemnifying such Indemnified
Party,  shall contribute to the amount paid or payable by such Indemnified Party
as a result of such Losses,  in such proportion as is appropriate to reflect the
relative fault of the  Indemnifying  Party and  Indemnified  Party in connection
with the actions,  statements or omissions  that resulted in such Losses as well
as any other  relevant  equitable  considerations.  The  relative  fault of such
Indemnifying  Party and  Indemnified  Party shall be determined by reference to,
among other  things,  whether any action in  question,  including  any untrue or
alleged untrue statement of a material fact or omission or alleged omission of a
material fact, has been taken or made by, or relates to information supplied by,
such Indemnifying  Party or Indemnified Party, and the parties' relative intent,
knowledge,  access to  information  and  opportunity  to correct or prevent such
action, statement or omission. The amount paid or payable by a party as a result
of any Losses shall be deemed to include,  subject to the  limitations set forth
in Section 5(c), any attorneys' or other fees or expenses incurred by such party
in  connection  with any  Proceeding  to the extent  such party  would have been
indemnified  for such fees or expenses if the  indemnification  provided  for in
this Section was available to such party.

     The  parties  hereto  agree  that it  would  not be just and  equitable  if
contribution  pursuant  to  this  Section  5(d)  were  determined  by  pro  rata
allocation or by any other method of allocation  that does not take into account
the equitable considerations referred to in the immediately preceding paragraph.
Notwithstanding  the provisions of this Section 5(d), the Purchaser shall not be
required to contribute,  in the aggregate, any amount in excess of the amount by
which the  proceeds  actually  received  by the  Purchaser  from the sale of the
Registrable  Securities  subject  to the  Proceeding  exceeds  the amount of any
damages that the Purchaser has otherwise  been required to pay by reason of such
untrue or alleged untrue  statement or omission or alleged  omission.  No Person
guilty of fraudulent  misrepresentation  (within the meaning of Section 11(f) of
the Securities  Act) shall be entitled to  contribution  from any Person who was
not guilty of such fraudulent misrepresentation.
<PAGE>
     The indemnity and contribution  agreements contained in this Section are in
addition  to any  liability  that  the  Indemnifying  Parties  may  have  to the
Indemnified Parties.

     6. Rule 144

The  Company  shall  file the  reports  required  to be  filed  by it under  the
Securities  Act and the Exchange Act in a timely  manner and, if at any time the
Company is not required to file such reports, they will, upon the request of any
Holder, make publicly available other information so long as necessary to permit
sales of its securities pursuant to Rule 144. The Company further covenants that
it will take such further  action as any Holder may reasonably  request,  all to
the extent required from time to time to enable such Holder to sell  Registrable
Securities  without  registration under the Securities Act within the limitation
of the  exemptions  provided by Rule 144.  Upon the  request of any Holder,  the
Company  shall  deliver  to  such  Holder  a  written  certification  of a  duly
authorized officer as to whether it has complied with such requirements.

     7. Miscellaneous

     (a)  Remedies.  In the event of a breach by the Company or by a Holder,  of
any of their  obligations under this Agreement,  each Holder or the Company,  as
the case may be, in addition to being entitled to exercise all rights granted by
law and under this Agreement, including recovery of damages, will be entitled to
specific  performance of its rights under this  Agreement.  The Company and each
Holder agree that monetary damages would not provide  adequate  compensation for
any losses incurred by reason of a breach by it of any of the provisions of this
Agreement  and  hereby  further  agrees  that,  in the event of any  action  for
specific  performance in respect of such breach, it shall waive the defense that
a remedy at law would be adequate.

     (b)  No  Inconsistent  Agreements.  Neither  the  Company  nor  any  of its
subsidiaries  has,  as of the date  hereof,  nor shall the Company or any of its
subsidiaries,  on or after the date of this Agreement,  enter into any agreement
with respect to its securities that is  inconsistent  with the rights granted to
the Holders in this Agreement or otherwise conflicts with the provisions hereof.
Neither the Company nor any of its subsidiaries has previously  entered into any
agreement granting any registration rights with respect to any of its securities
to any Person except under the Company's registration statements on Form S-3 and
S-8 currently on file with the  Commission and except as set forth under Section
7(c) below.  Without  limiting  the  generality  of the  foregoing,  without the
written consent of the Holders of a majority of the then outstanding Registrable
Securities,  the Company  shall not grant to any Person the right to request the
Company to register  any  securities  of the Company  under the  Securities  Act
unless the rights so granted are subject in all  respects to the prior rights in
full of the  Holders  set forth  herein,  and are not  otherwise  in conflict or
inconsistent with the provisions of this Agreement.
<PAGE>
     (c) No  Piggyback  on  Registrations.  Except  for  shares of Common  Stock
issuable in  connection  with  100,000  shares of Common  Stock  issuable by the
Company  upon the  exercise of a common stock  purchase  warrant  issued to P.F.
Cohn,  neither  the  Company  nor any of its  security  holders  (other than the
Holders in such capacity pursuant hereto) may include  securities of the Company
in the Registration Statement other than the Common Stock to be issued under the
Purchase Agreement, and the Company shall not enter into any agreement providing
any such right to any of its securityholders.

     (d) Piggy-Back Registrations. If at any time the Company shall determine to
prepare and file with the  Commission a  registration  statement  relating to an
offering for its own account or the account of others under the  Securities  Act
of any of its equity  securities at any time when there is not then an effective
Registration  Statement,  other than registration statements on Form S-4 or Form
S-8 (each as  promulgated  under the Securities  Act) or their then  equivalents
relating  to equity  securities  to be  issued  solely  in  connection  with any
acquisition  of  any  entity  or  business  or  equity  securities  issuable  in
connection with stock option or other employee  benefit plans, the Company shall
send  to  each  holder  of  Registrable   Securities   written  notice  of  such
determination  and, if within twenty (20) days after receipt of such notice, any
such holder  shall so request in  writing,  the  Company  shall  include in such
registration statement all or any part of the Registrable Securities such holder
requests to be registered,  except that if, in connection with any  Underwritten
Offering  for the  account of the Company the  managing  underwriter(s)  thereof
shall impose a  limitation  on the number of shares of Common Stock which may be
included  in  the  registration   statement  because,  in  such  underwriter(s)'
judgment,  such limitation is necessary to effect an orderly public distribution
of securities covered thereby, then the Company shall be obligated to include in
such  registration  statement  only  such  limited  portion  of the  Registrable
Securities  for to which such  holder has  requested  inclusion  hereunder.  Any
exclusion  of  Registrable  Securities  shall be made pro rata among the holders
seeking  to  include  Registrable  Securities,  in  proportion  to the number of
Registrable Securities sought to be included by such holders; provided, however,
that the Company shall not exclude any Registrable Securities unless the Company
has first  excluded  all  outstanding  securities  the  holders of which are not
entitled by right to inclusion of securities in such registration statement; and
provided,  further,  however,  that,  after  giving  effect  to the  immediately
preceding  proviso,  any exclusion of Registrable  Securities  shall be made pro
rata  with  holders  of  other  securities  having  the  right to  include  such
securities  in  such  registration   statement.  No  right  to  registration  of
Registrable  Securities  under  this  Section  shall be  construed  to limit any
registration otherwise required hereunder.

     (e) Amendments and Waivers. The provisions of this Agreement, including the
provisions of this sentence, may not be amended,  modified or supplemented,  and
waivers or consents to departures  from the provisions  hereof may not be given,
unless the same shall be in writing and signed by the Company and the Holders of
at least a majority of the then outstanding  Registrable  Securities;  provided,
however,  that, for the purposes of this sentence,  Registrable  Securities that
<PAGE>
are owned,  directly or  indirectly,  by the  Company,  or an  Affiliate  of the
Company are not deemed outstanding.  Notwithstanding the foregoing,  a waiver or
consent to depart  from the  provisions  hereof  with  respect to a matter  that
relates  exclusively  to the rights of  Holders  and that does not  directly  or
indirectly  affect  the  rights of other  Holders  may be given by Holders of at
least a majority of the  Registrable  Securities to which such waiver or consent
relates;  provided,  however,  that the  provisions  of this sentence may not be
amended,  modified,  or supplemented except in accordance with the provisions of
the immediately preceding sentence.

     (f)  Notices.  Any and all notices or other  communications  or  deliveries
required or permitted to be provided  hereunder shall be in writing and shall be
deemed given and effective on the earliest of (i) the date of  transmission,  if
such  notice or  communication  is  delivered  via  facsimile  at the  facsimile
telephone  number  specified in this Section  prior to 4:30 p.m.  (New York City
time) on a Business Day,  (ii) the Business Day after the date of  transmission,
if such notice or  communication  is delivered  via  facsimile at the  facsimile
telephone number  specified in the Purchase  Agreement later than 4:30 p.m. (New
York City time) on any date and earlier than 11:59 p.m.  (New York City time) on
such date,  (iii) the Business  Day  following  the date of mailing,  if sent by
nationally  recognized overnight courier service, or (iv) upon actual receipt by
the party to whom such notice is required to be given.

If to the Company:  Vasomedical, Inc.
                    180 Linden Avenue
                    Westbury, NY  11590
                    Facsimile No.:  516-997-2299
                    Attn:  Chief Financial Officer

With copies to:     Blau, Kramer, Wactlar & Lieberman, P.C.
                    100 Jericho Quadrangle
                    Jericho, NY  11753
                    Facsimile No.:  516-822-5609
                    Attn:  David Lieberman

If to the Purchaser:JNC Opportunity Fund Ltd.
                    c/o Olympia Capital (Cayman) Ltd.
                    Williams House
                    20 Reid Street
                    Hamilton, HM11
                    Bermuda
                    Facsimile No.:  (441) 295-2305
                    Attn: Director
<PAGE>
With copies to:     Encore Capital Management, L.L.C.
                    12007 Sunrise Valley Drive
                    Suite 460
                    Reston, VA  20191
                    Facsimile No.:  (703) 476-7711
                    Attn:  Managing Member

                        and   

                    Robinson Silverman Pearce Aronsohn &
                     Berman LLP
                    1290 Avenue of the Americas
                    New York, NY  10104
                    Facsimile No.:  (212) 541-4630
                    Attn:  Eric L. Cohen

     If to any other Person who is then the registered Holder:

                    To the address of such Holder as it
                    appears in the stock transfer books of
                    the Company

or such other  address as may be designated  in writing  hereafter,  in the same
manner, by such Person.

     (g)  Successors and Assigns.  This Agreement  shall inure to the benefit of
and be binding upon the successors and permitted  assigns of each of the parties
and shall  inure to the benefit of each  Holder.  The Company may not assign its
rights or  obligations  hereunder  without  the prior  written  consent  of each
Holder.  The  Holders may assign its rights  hereunder  in the manner and to the
Persons as permitted under the Purchase Agreement.

     (h) Assignment of Registration Rights. The rights of the Holders hereunder,
including  the  right  to have  the  Company  register  for  resale  Registrable
Securities  in  accordance   with  the  terms  of  this   Agreement,   shall  be
automatically  assignable by the Holders to any assignee or transferee of all or
a portion of the shares of  Preferred  Stock,  the  Warrants or the  Registrable
Securities  if: (i) the Holders agree in writing with the transferee or assignee
to assign such rights,  and a copy of such agreement is furnished to the Company
within a reasonable  time after such  assignment,  (ii) the Company is, within a
reasonable time after such transfer or assignment, furnished with written notice
of (a)  the  name  and  address  of such  transferee  or  assignee,  and (b) the
securities  with respect to such  registration  rights are being  transferred or
assigned, (iii) following such transfer or assignment the further disposition of
such securities by the transferee or assignees  restricted  under the Securities
Act and applicable state securities laws, (iv) at or before the time the Company
receives the written  notice  contemplated  by clause (ii) of this Section,  the
transferee or assignee  agrees in writing with the Company to be bound by all of
the provisions of this Agreement,  and (v) such transfer shall have been made in
accordance  with the  applicable  requirements  of the Purchase  Agreement.  The
rights to assignment shall apply to the Holders' (and to subsequent)  successors
and assigns.
<PAGE>
     (i)  Counterparts.  This  Agreement  may  be  executed  in  any  number  of
counterparts,  each of which when so executed  shall be deemed to be an original
and, all of which taken together shall constitute one and the same Agreement. In
the event that any  signature  is  delivered  by  facsimile  transmission,  such
signature shall create a valid binding  obligation of the party executing (or on
whose behalf such signature is executed) the same with the same force and effect
as if such facsimile signature were the original thereof.

     (j) Governing Law;  Submission to  Jurisdiction;.  This Agreement  shall be
governed by and construed in accordance  with the laws of the State of New York,
without regard to principles of conflicts of law. The Company hereby irrevocably
submits to the  jurisdiction  of any New York state court sitting in the Borough
of Manhattan in the City of New York or any federal court sitting in the Borough
of Manhattan in the City of New York  (collectively,  the "New York") in respect
of any Proceeding arising out of or relating to this Agreement,  and irrevocably
accepts   for   itself  and  in  respect   of  its   property,   generally   and
unconditionally,  jurisdiction of the New York Courts.  The Company  irrevocably
waives to the fullest extent it may  effectively do so under  applicable law any
objection  that it may now or  hereafter  have to the laying of the venue of any
such  Proceeding  brought  in any New York  Court  and any  claim  that any such
Proceeding  brought  in any New York Court has been  brought in an  inconvenient
forum.  Nothing  herein shall affect the right of any Holder to serve process in
any manner  permitted  by law or to  commence  legal  proceedings  or  otherwise
proceed against the company in any other jurisdiction.

     (k) Cumulative  Remedies.  The remedies  provided herein are cumulative and
not exclusive of any remedies provided by law.

     (l) Severability.  If any term, provision,  covenant or restriction of this
Agreement is held by a court of competent  jurisdiction to be invalid,  illegal,
void or  unenforceable,  the remainder of the terms,  provisions,  covenants and
restrictions set forth herein shall remain in full force and effect and shall in
no way be affected,  impaired or  invalidated,  and the parties hereto shall use
their reasonable  efforts to find and employ an alternative means to achieve the
same or  substantially  the  same  result  as that  contemplated  by such  term,
provision,  covenant or restriction.  It is hereby stipulated and declared to be
the intention of the parties that they would have executed the remaining  terms,
provisions, covenants and restrictions without including any of such that may be
hereafter declared invalid, illegal, void or unenforceable.

     (m)  Headings.  The  headings  in this  Agreement  are for  convenience  of
reference only and shall not limit or otherwise affect the meaning hereof.
<PAGE>
     (n) Shares Held by The Company and its Affiliates.  Whenever the consent or
approval of Holders of a  specified  percentage  of  Registrable  Securities  is
required hereunder, Registrable Securities held by the Company or its Affiliates
(other than the Purchaser or  transferees  or  successors or assigns  thereof if
such Persons are deemed to be Affiliates  solely by reason of their  holdings of
such Registrable  Securities)  shall not be counted in determining  whether such
consent or approval was given by the Holders of such required percentage.

                  [REMAINDER OF PAGE INTENTIONALLY LEFT BLANK.

                            SIGNATURE PAGE FOLLOWS.]

<PAGE>
     IN WITNESS WHEREOF, the parties have executed this Agreement as of the date
first written above.

                                   VASOMEDICAL, INC.



                                   By:
                                      --------------------------
                                       Name:
                                       Title:


                                   JNC OPPORTUNITY FUND LTD.



                                   By:
                                      ---------------------------
                                       Name:
                                       Title:














NEITHER THESE  SECURITIES  NOR THE  SECURITIES  INTO WHICH THESE  SECURITIES ARE
EXERCISABLE HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE  COMMISSION OR
THE  SECURITIES  COMMISSION  OF ANY STATE IN  RELIANCE  UPON AN  EXEMPTION  FROM
REGISTRATION  UNDER SECURITIES ACT OF 1933, AS AMENDED (THE  "SECURITIES  ACT"),
AND,  ACCORDINGLY,  MAY NOT BE OFFERED OR SOLD EXCEPT  PURSUANT TO AN  EFFECTIVE
REGISTRATION  STATEMENT  UNDER THE  SECURITIES  ACT OR PURSUANT TO AN  AVAILABLE
EXEMPTION FROM THE REGISTRATION  REQUIREMENTS  THEREUNDER AND IN COMPLIANCE WITH
APPLICABLE STATE SECURITIES OR BLUE SKY LAWS.


                                VASOMEDICAL, INC.

                                     WARRANT
                                     -------
                              Dated April 30, 1998


     Vasomedical, Inc., a Delaware corporation (the "Company"), hereby certifies
that,  for  value  received,   _________________,   or  its  registered  assigns
("Holder"), is entitled,  subject to the terms set forth below, to purchase from
the Company up to a total of _______ shares of Common Stock, $.001 par value per
share (the "Common  Stock"),  of the Company (each such share, a "Warrant Share"
and all such shares,  the "Warrant  Shares") at an exercise price equal to $2.08
per share (as adjusted from time to time as provided in Section 8, the "Exercise
Price"),  at any time and from time to time from and after the date  hereof  and
through and including April 30, 2003 (the "Expiration Date"), and subject to the
following terms and conditions:

     1. Registration of Warrant.  The Company shall register this Warrant,  upon
records  to be  maintained  by  the  Company  for  that  purpose  (the  "Warrant
Register"),  in the name of the  record  Holder  hereof  from time to time.  The
Company may deem and treat the registered Holder of this Warrant as the absolute
owner hereof for the purpose of any exercise  hereof or any  distribution to the
Holder,  and for all other  purposes,  and the Company  shall not be affected by
notice to the contrary.
<PAGE>
     2. Registration of Transfers and Exchanges.

     (a) The Company shall  register the transfer of any portion of this Warrant
in the  Warrant  Register,  upon  surrender  of this  Warrant,  with the Form of
Assignment  attached hereto duly completed and signed,  to the Transfer Agent or
to the Company at the office specified in or pursuant to Section 3(b), provided,
however that the Holder shall not make any transfers to any transferee  pursuant
to this Section for the right to acquire less than 25,000 Warrant Shares (or the
balance of the  Warrant  Shares to which this  Warrant  relates).  Upon any such
registration   or  transfer,   a  new  warrant  to  purchase  Common  Stock,  in
substantially the form of this Warrant (any such new warrant,  a "New Warrant"),
evidencing  the portion of this  Warrant so  transferred  shall be issued to the
transferee and a New Warrant  evidencing  the remaining  portion of this Warrant
not so  transferred,  if any, shall be issued to the  transferring  Holder.  The
acceptance  of the New  Warrant by the  transferee  thereof  shall be deemed the
acceptance of such  transferee of all of the rights and  obligations of a holder
of a Warrant.

     (b) This Warrant is  exchangeable,  upon the surrender hereof by the Holder
to the office of the Company specified in or pursuant to Section 3(b) for one or
more New Warrants,  evidencing in the aggregate the right to purchase the number
of Warrant  Shares which may then be purchased  hereunder.  Any such New Warrant
will be dated the date of such exchange.

     3. Duration and Exercise of Warrants.

     (a) This  Warrant  shall be  exercisable  by the  registered  Holder on any
business day before 5:30 P.M.,  Eastern  time, at any time and from time to time
on or after the date hereof to and including the Expiration  Date. At 5:30 P.M.,
Eastern time on the  Expiration  Date, the portion of this Warrant not exercised
prior thereto shall be and become void and of no value.  Prior to the Expiration
Date,  the Company may not call or  otherwise  redeem this  Warrant  without the
prior written consent of the Holder.

     (b) Subject to Sections  2(b), 6 and 10, upon  surrender  of this  Warrant,
with the Form of Election to Purchase attached hereto duly completed and signed,
to the  Company at its office at 180 Linden  Avenue,  Westbury,  New York 11590,
Attention:  Chief Financial Officer, or at such other address as the Company may
specify  in  writing  to the then  registered  Holder,  and upon  payment of the
Exercise  Price  multiplied  by the  number of  Warrant  Shares  that the Holder
intends to purchase hereunder,  in lawful money of the United States of America,
in cash or by  certified or official  bank check or checks,  all as specified by
the Holder in the Form of Election to Purchase,  the Company shall promptly (but
in no event  later than 3 business  days  after the Date of  Exercise)  issue or
cause to be issued and cause to be delivered to or upon the written order of the
Holder and in such name or names as the Holder may designate,  a certificate for
the Warrant  Shares  issuable upon such exercise,  free of  restrictive  legends
other than as required by applicable law. Any person so designated by the Holder
to receive  Warrant  Shares  shall be deemed to have become  holder of record of
such Warrant Shares as of the Date of Exercise of this Warrant.
<PAGE>
     A "Date of  Exercise"  means  the  date on which  the  Company  shall  have
received (i) this Warrant (or any New Warrant, as applicable),  with the Form of
Election  to  Purchase  attached  hereto  (or  attached  to  such  New  Warrant)
appropriately  completed and duly signed, and (ii) payment of the Exercise Price
for the  number  of  Warrant  Shares so  indicated  by the  holder  hereof to be
purchased.

     (c) This Warrant shall be exercisable, either in its entirety or, from time
to time, for a portion of the number of Warrant Shares.  If less than all of the
Warrant  Shares which may be purchased  under this Warrant are  exercised at any
time,  the Company  shall  issue or cause to be issued,  at its  expense,  a New
Warrant  evidencing the right to purchase the remaining number of Warrant Shares
for which no exercise has been evidenced by this Warrant.

     4.  Piggyback  Registration  Rights.  During the term of this  Warrant  the
Company may not file any registration statement with the Securities and Exchange
Commission  (other than  registration  statements  of the Company filed or to be
filed on Form S-8 or Form S-4 including supplements thereto, each as promulgated
under the Securities  Act of 1933, as amended,  pursuant to which the Company is
registering  securities  pursuant to a Company employee benefit plan or pursuant
to a merger,  acquisition or similar  transaction)  unless the Company  provides
each of the Holder and Robinson Silverman Peace Aronsohn & Berman LLP, attention
Eric L. Cohen with not less than four  business  days notice of its intention to
file such  registration  statement  and  provides  the  Purchaser  the option to
include any or all of the  applicable  Warrant  Shares  therein.  The  piggyback
registration  rights  granted  to the  Holder  pursuant  to this  Section  shall
continue  until all of the Holder's  Warrant Shares have been sold in accordance
with an effective registration statement or upon the expiration of this Warrant.
The Company will pay all of its registration expenses in connection therewith.

     5. Demand Registration  Rights. At any time during the term of this Warrant
when the Warrant Shares are not registered pursuant to an effective registration
statement,  the Holder may make a written request for the registration under the
Securities  Act of 1933,  as amended (a  "Demand  Registration"),  of all of the
Warrant  Shares (the  "Registrable  Securities"),  and the Company shall use its
best efforts to effect such Demand Registration as promptly as possible,  but in
any case within 90 days thereafter.  Any request for a Demand Registration shall
specify the aggregate number of Registrable  Securities  proposed to be sold and
shall also  specify the intended  method of  disposition  thereof.  The right to
cause a registration of the Registrable Securities under this Section 5 shall be
limited to one such  registration.  In any  registration  initiated  as a Demand
Registration,  the  Company  will  pay  all  of  its  registration  expenses  in
connection  therewith.  A Demand  Registration  shall not be counted as a Demand
Registration   hereunder  until  such  Demand  Registration  has  been  declared
effective by the Securities and Exchange Commission and maintained  continuously
effective  for a period of at least  360 days or such  shorter  period  when all
Registrable  Securities  included therein have been sold in accordance with such
Demand Registration,  provided, however that any days on which such registration
statement  is not  effective  or on which  the  Holder is not  permitted  by the
Company  or any  governmental  authority  to  sell  Warrant  Shares  under  such
registration statement shall not count towards such 360 day period.
<PAGE>
     6.  Payment of Taxes.  The  Company  will pay all  documentary  stamp taxes
attributable  to the  issuance  of  Warrant  Shares  upon the  exercise  of this
Warrant;  provided,  however,  that the Company shall not be required to pay any
tax which may be payable in respect of any transfer involved in the registration
of any  certificates for Warrant Shares or Warrants in a name other than that of
the Holder, and the Company shall not be required to issue or cause to be issued
or deliver or cause to be delivered the  certificates  for Warrant Shares unless
or until the person or persons  requesting the issuance  thereof shall have paid
to the  Company  the  amount  of  such  tax or  shall  have  established  to the
satisfaction  of the Company  that such tax has been paid.  The Holder  shall be
responsible for all other tax liability that may arise as a result of holding or
transferring this Warrant or receiving Warrant Shares upon exercise hereof.

     7. Replacement of Warrant.  If this Warrant is mutilated,  lost,  stolen or
destroyed,  the  Company  may in its  discretion  issue or cause to be issued in
exchange and substitution for and upon  cancellation  hereof,  or in lieu of and
substitution for this Warrant, a New Warrant,  but only upon receipt of evidence
reasonably  satisfactory  to the Company of such loss,  theft or destruction and
indemnity, if requested,  satisfactory to it. Applicants for a New Warrant under
such circumstances shall also comply with such other reasonable  regulations and
procedures and pay such other reasonable charges as the Company may prescribe.

     8. Reservation of Warrant Shares. The Company covenants that it will at all
times  reserve and keep  available out of the  aggregate of its  authorized  but
unissued  Common  Stock,  solely for the purpose of enabling it to issue Warrant
Shares upon exercise of this Warrant as herein  provided,  the number of Warrant
Shares which are then issuable and deliverable  upon the exercise of this entire
Warrant,  free from preemptive  rights or any other actual  contingent  purchase
rights of persons  other than the Holders  (taking into account the  adjustments
and  restrictions  of Section 9). The Company  covenants that all Warrant Shares
that shall be so issuable and deliverable  shall,  upon issuance and the payment
of the applicable  Exercise Price in accordance  with the terms hereof,  be duly
and validly authorized, issued and fully paid and nonassessable.

     9. Certain  Adjustments.  The Exercise  Price and number of Warrant  Shares
issuable upon  exercise of this Warrant are subject to  adjustment  from time to
time as set forth in this Section 9. Upon each such  adjustment  of the Exercise
Price  pursuant  to this  Section 9, the Holder  shall  thereafter  prior to the
Expiration  Date be entitled to purchase,  at the Exercise Price  resulting from
such  adjustment,  the number of Warrant  Shares  obtained  by  multiplying  the
Exercise Price in effect  immediately  prior to such adjustment by the number of
Warrant Shares issuable upon exercise of this Warrant  immediately prior to such
adjustment and dividing the product thereof by the Exercise Price resulting from
such  adjustment.  
<PAGE>
     (a) If the  Company,  at any time while this  Warrant is  outstanding,  (i)
shall pay a stock  dividend  (except  scheduled  dividends  paid on  outstanding
preferred  stock as of the date hereof which  contain a stated  divided rate) or
otherwise make a distribution or distributions on shares of its Common Stock (as
defined  below) or on any other class of capital stock and not the Common Stock)
payable in shares of Common Stock, (ii) subdivide  outstanding  shares of Common
Stock into a larger  number of shares,  or (iii) combine  outstanding  shares of
Common  Stock  into a smaller  number of shares,  the  Exercise  Price  shall be
multiplied by a fraction of which the numerator shall be the number of shares of
Common Stock (excluding  treasury shares, if any) outstanding  before such event
and of which the  denominator  shall be the  number  of  shares of Common  Stock
(excluding treasury shares, if any) outstanding after such event. Any adjustment
made  pursuant to this Section  shall  become  effective  immediately  after the
record date for the  determination  of  stockholders  entitled  to receive  such
dividend  or  distribution  and shall  become  effective  immediately  after the
effective date in the case of a subdivision or  combination,  and shall apply to
successive subdivisions and combinations.

     (b) In case of any  reclassification of the Common Stock, any consolidation
or merger of the Company  with or into another  person,  the sale or transfer of
all or  substantially  all of the assets of the Company or any compulsory  share
exchange  pursuant to which the Common Stock is converted into other securities,
cash or property,  then the Holder shall have the right  thereafter  to exercise
this  Warrant  only into the shares of stock and other  securities  and property
receivable  upon or deemed to be held by holders of Common Stock  following such
reclassification,  consolidation,  merger, sale, transfer or share exchange, and
the  Holder  shall be  entitled  upon  such  event to  receive  such  amount  of
securities or property  equal to the amount of Warrant  Shares such Holder would
have been entitled to had such Holder exercised this Warrant  immediately  prior
to  such  reclassification,  consolidation,  merger,  sale,  transfer  or  share
exchange.  The terms of any such consolidation,  merger, sale, transfer or share
exchange  shall  include  such terms so as to continue to give to the Holder the
right to receive the  securities or property set forth in this Section 9(b) upon
any exercise following any such reclassification,  consolidation,  merger, sale,
transfer or share exchange.

     (c) If the Company,  at any time while this Warrant is  outstanding,  shall
distribute  to all holders of Common Stock (and not to holders of this  Warrant)
evidences of its  indebtedness  or assets or rights or warrants to subscribe for
or purchase any security  (excluding those referred to in Sections 9(a), (b) and
(d)),  then in each  such  case  the  Exercise  Price  shall  be  determined  by
multiplying  the Exercise Price in effect  immediately  prior to the record date
fixed for determination of stockholders entitled to receive such distribution by
a fraction of which the denominator shall be the Exercise Price determined as of
the  record  date  mentioned  above,  and of which the  numerator  shall be such
Exercise  Price on such  record  date  less the then fair  market  value at such
record  date of the  portion  of such  assets or  evidence  of  indebtedness  so
distributed applicable to one outstanding share of Common Stock as determined by
the Company's  independent  certified public accountants that regularly examines
the financial statements of the Company (an "Appraiser").
<PAGE>
     (d) If, at any time while this Warrant is  outstanding,  the Company  shall
issue or cause to be issued  rights or warrants to acquire or otherwise  sell or
distribute  shares  of  Common  Stock  to all  holders  of  Common  Stock  for a
consideration  per share less than the  Exercise  Price  then in  effect,  then,
forthwith  upon such issue or sale,  the Exercise  Price shall be reduced to the
price  (calculated to the nearest cent)  determined by multiplying  the Exercise
Price in effect immediately prior thereto by a fraction,  the numerator of which
shall be the sum of the  number of shares of Common  Stock  which the  aggregate
consideration  received (or to be received,  assuming  exercise or conversion in
full of such rights,  warrants and  convertible  securities) for the issuance of
such additional shares of Common Stock would purchase at the Exercise Price, and
the  denominator  of which  shall be the sum of the  number  of shares of Common
Stock outstanding immediately after the issuance of such additional shares. Such
adjustment shall be made successively whenever such an issuance is made.

     (e) For the purposes of this Section 9, the following clauses shall also be
applicable:

          (i)  Record  Date.  In case the  Company  shall  take a record  of the
     holders  of its  Common  Stock for the  purpose  of  entitling  them (A) to
     receive a dividend  or other  distribution  payable  in Common  Stock or in
     Convertible Securities, or (B) to subscribe for or purchase Common Stock or
     Convertible  Securities,  then such  record  date shall be deemed to be the
     date of the issue or sale of the shares of Common Stock deemed to have been
     issued or sold upon the  declaration of such dividend or the making of such
     other   distribution  or  the  date  of  the  granting  of  such  right  of
     subscription or purchase, as the case may be.

          (ii) Treasury Shares. The number of shares of Common Stock outstanding
     at any given  time  shall not  include  shares  owned or held by or for the
     account of the  Company,  and the  disposition  of any such shares shall be
     considered an issue or sale of Common Stock.

     (f) All calculations under this Section 8 shall be made to the nearest cent
or the nearest 1/100th of a share, as the case may be.

     (g) Whenever the Exercise Price is adjusted pursuant to Section 9(c) above,
the Holder, after receipt of the determination by the Appraiser,  shall have the
right to select an additional appraiser (which shall be a nationally  recognized
accounting  firm), in which case the adjustment shall be equal to the average of
the  adjustments  recommended by each of the Appraiser and such  appraiser.  The
Holder  shall  promptly  mail or cause to be  mailed  to the  Company,  a notice
setting forth the Exercise Price after such adjustment and setting forth a brief
statement of the facts requiring such  adjustment.  Such adjustment shall become
effective immediately after the record date mentioned above.

     (h) If:

               (i)  the  Company   shall   declare  a  dividend  (or  any  other
                    distribution) on its Common Stock; or
<PAGE>
               (ii) the  Company  shall  declare  a  special  nonrecurring  cash
                    dividend on or a redemption of its Common Stock; or

               (iii)the Company  shall  authorize the granting to all holders of
                    the Common  Stock  rights or  warrants to  subscribe  for or
                    purchase any shares of capital  stock of any class or of any
                    rights; or

               (iv) the  approval of any  stockholders  of the Company  shall be
                    required  in  connection  with any  reclassification  of the
                    Common Stock of the Company,  any consolidation or merger to
                    which the Company is a party, any sale or transfer of all or
                    substantially  all of the  assets  of  the  Company,  or any
                    compulsory  share  exchange  whereby  the  Common  Stock  is
                    converted into other securities, cash or property; or

               (v)  the  Company  shall  authorize  the  voluntary  dissolution,
                    liquidation or winding up of the affairs of the Company,

then the Company shall cause to be mailed to each Holder at their last addresses
as they shall appear upon the Warrant Register,  at least 30 calendar days prior
to the  applicable  record or effective  date  hereinafter  specified,  a notice
stating  (x) the date on which a record is to be taken for the  purpose  of such
dividend, distribution, redemption, rights or warrants, or if a record is not to
be taken,  the date as of which  the  holders  of  Common  Stock of record to be
entitled to such dividend, distributions,  redemption, rights or warrants are to
be  determined  or (y) the date on which such  reclassification,  consolidation,
merger,  sale,  transfer or share  exchange is expected to become  effective  or
close,  and the date as of which it is expected  that holders of Common Stock of
record  shall  be  entitled  to  exchange  their  shares  of  Common  Stock  for
securities,  cash or other  property  deliverable  upon  such  reclassification,
consolidation,  merger, sale, transfer, share exchange, dissolution, liquidation
or winding up;  provided,  however,  that the failure to mail such notice or any
defect  therein or in the mailing  thereof  shall not affect the validity of the
corporate action required to be specified in such notice.

     10. Fractional  Shares. The Company shall not be required to issue or cause
to be issued  fractional  Warrant  Shares on the exercise of this  Warrant.  The
number of full Warrant  Shares which shall be issuable upon the exercise of this
Warrant shall be computed on the basis of the aggregate number of Warrant Shares
purchasable  on  exercise of this  Warrant so  presented.  If any  fraction of a
Warrant Share would,  except for the  provisions of this Section 10, be issuable
on the exercise of this  Warrant,  the Company shall pay an amount in cash equal
to the Exercise Price multiplied by such fraction.
<PAGE>
     11.  Notices.  Any and all notices or other  communications  or  deliveries
hereunder  shall be in writing and shall be deemed  given and  effective  on the
earliest of (i) the date of  transmission,  if such notice or  communication  is
delivered  via  facsimile at the facsimile  telephone  number  specified in this
Section prior to 4:30 p.m.  (Eastern  time) on a business day, (ii) the business
day after the date of transmission, if such notice or communication is delivered
via facsimile at the facsimile  telephone number specified in this Section later
than 4:30 p.m.  (Eastern time) on any date and earlier than 11:59 p.m.  (Eastern
time) on such date,  (iii) the business day  following  the date of mailing,  if
sent by nationally  recognized  overnight  courier service,  or (iv) upon actual
receipt by the party to whom such notice is required to be given.  The addresses
for such communications  shall be: (i) if to the Company, to Vasomedical,  Inc.,
180 Linden Avenue, Westbury, New York 11590, Attention: Chief Financial Officer,
or to facsimile no. 516-997-2299, or (ii) if to the Holder, to the Holder at the
address or  facsimile  number  appearing  on the Warrant  Register or such other
address  or  facsimile  number as the  Holder  may  provide  to the  Company  in
accordance with this Section 11. 

     12. Warrant Agent.

     (a) The Company  shall  serve as warrant  agent  under this  Warrant.  Upon
thirty (30) days'  notice to the  Holder,  the Company may appoint a new warrant
agent.

     (b) Any corporation  into which the Company or any new warrant agent may be
merged or any corporation  resulting from any consolidation to which the Company
or any new  warrant  agent  shall be a party  or any  corporation  to which  the
Company or any new warrant agent  transfers  substantially  all of its corporate
trust or shareholders services business shall be a successor warrant agent under
this Warrant  without any further act. Any such  successor  warrant  agent shall
promptly  cause notice of its succession as warrant agent to be mailed (by first
class mail, postage prepaid) to the Holder at the Holder's last address as shown
on the Warrant Register.

     13. Miscellaneous.

     (a) This  Warrant  shall be  binding  on and  inure to the  benefit  of the
parties  hereto and their  respective  successors  and permitted  assigns.  This
Warrant may be amended only in writing signed by the Company and the Holder.

     (b)  Subject to Section  13(a),  above,  nothing in this  Warrant  shall be
construed  to give to any person or  corporation  other than the Company and the
Holder any legal or equitable  right,  remedy or cause under this Warrant;  this
Warrant  shall be for the sole and  exclusive  benefit  of the  Company  and the
Holder.  

     (c) This  Warrant  shall be  governed  by and  construed  and  enforced  in
accordance with the internal laws of the State of Delaware without regard to the
principles of conflicts of law thereof.
<PAGE>
     (d) The headings herein are for convenience  only, do not constitute a part
of this Warrant and shall not be deemed to limit or affect any of the provisions
hereof.

     (e) In case  any one or more of the  provisions  of this  Warrant  shall be
invalid or unenforceable in any respect,  the validity and enforceability of the
remaining  terms and provisions of this Warrant shall not in any way be affected
or impaired  thereby and the parties  will attempt in good faith to agree upon a
valid  and  enforceable  provision  which  shall  be a  commercially  reasonable
substitute  therefor,  and upon so agreeing,  shall  incorporate such substitute
provision in this Warrant.


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                             SIGNATURE PAGE FOLLOWS]

<PAGE>
     IN WITNESS WHEREOF, the Company has caused this Warrant to be duly executed
by its authorized officer as of the date first indicated above.


                             VASOMEDICAL, INC.



                                   By:

                                   Name:

                                   Title:

<PAGE>


                          FORM OF ELECTION TO PURCHASE

(To be executed by the Holder to exercise the right to purchase shares of Common
Stock under the foregoing Warrant)

To Vasomedical, Inc.:

     In  accordance  with the  Warrant  enclosed  with this Form of  Election to
Purchase,  the undersigned hereby  irrevocably elects to purchase  _____________
shares  of Common  Stock  ("Common  Stock"),  $.001  par  value  per  share,  of
Vasomedical, Inc. and encloses herewith $________ in cash, certified or official
bank check or checks,  which sum  represents  the aggregate  Exercise  Price (as
defined in the  Warrant)  for the number of shares of Common Stock to which this
Form of Election to Purchase relates, together with any applicable taxes payable
by the undersigned pursuant to the Warrant.

The  undersigned  requests  that  certificates  for the  shares of Common  Stock
issuable upon this exercise be issued in the name of

                                   PLEASE INSERT SOCIAL SECURITY OR
                                   TAX IDENTIFICATION NUMBER




                         (Please print name and address)





     If the number of shares of Common Stock  issuable upon this exercise  shall
not be all of the shares of Common  Stock which the  undersigned  is entitled to
purchase in accordance with the enclosed Warrant,  the undersigned requests that
a New Warrant (as defined in the Warrant)  evidencing  the right to purchase the
shares of Common Stock not issuable pursuant to the exercise evidenced hereby be
issued in the name of and delivered to:


                         (Please print name and address)





Dated:              ,   __________    Name of Holder:


                                     (Print)

                                     (By:)
                     (Name:)
(Title:)

                    (Signature must conform in all respects to name of holder as
                    specified on the face of the Warrant)


<PAGE>


           [To be completed and signed only upon transfer of Warrant]

     FOR VALUE  RECEIVED,  the undersigned  hereby sells,  assigns and transfers
unto  ________________________________  the  right  represented  by  the  within
Warrant to purchase ____________ shares of Common Stock of Vasomedical,  Inc. to
which the within  Warrant  relates  and  appoints  ________________  attorney to
transfer  said  right on the  books of  Vasomedical,  Inc.  with  full  power of
substitution in the premises.

Dated:

- ---------------, ----


                     ---------------------------------------

                    (Signature must conform in all respects to name of holder as
                    specified on the face of the Warrant)


                    ---------------------------------------
                    Address of Transferee

                    ---------------------------------------

                    ---------------------------------------



In the presence of:


- --------------------------




Vasomedical Inc.
180 Linden Avenue
Westbury, New York 11590
Tel: (516) 997-4600  Fax: (516) 997-2299
                                                                    NEWS RELEASE
CONTACT:  Natalie Karp
          Investor Relations
          (516) 997-4600 ext. 776

                  VASOMEDICAL ANNOUNCES $3.5 MILLION FINANCING
                      Proceeds to Expand Marketing Programs

Westbury, New York, May 8, 1998 Vasomedical,  Inc. (NASDAQ:VASO)  announced that
it has  received  $3.5  million to expand its  marketing  programs  to  increase
awareness  of the  benefits  of EECP  therapy  among  physicians,  patients  and
insurers.  This second tranche of financing from the same institutional investor
from which the Company  received  funds last year  demonstrates  the  investor's
confidence  in the EECP  technology,  its broad  usefulness  in the treatment of
cardiovascular diseases and the Company's long-term economic outlook.

Anthony Viscusi,  President and CEO of Vasomedical,  stated that "the increasing
acceptance of the EECP  procedure as a  scientifically  validated  option in the
treatment of coronary artery disease and the increasing insurance  reimbursement
successes achieved by most current treatment centers around the country indicate
that the  market is ready to  respond  to a  stepped-up  marketing  effort.  The
Company has already  doubled its sales force and the new funding  will enable us
to undertake specific marketing initiatives, including customer support programs
to further increase patient recruitment and insurance reimbursement,  as well as
seeding  programs  in  capitated  HMO  settings  where EECP , as a  noninvasive,
outpatient therapy,  has the potential to create considerable  economic benefits
because of the  elimination  of hospital  days and the  avoidance of other costs
associated with invasive procedures."

The  financing,  consummated  through the  issuance  of 5% Series C  Convertible
Preferred Stock, was facilitated by Wharton Capital, a New York-based  financial
consulting firm.

Vasomedical (www.vasomedical.com) is a medical technology company devoted to the
development,  manufacture and commercialization of innovative and cost-effective
cardiovascular products and processes.

[This  announcement  does not constitute an offer to sell or the solicitation of
offers to buy any security and shall not  constitute an offer,  solicitation  or
sale of any security in any  jurisdiction  in which such offer,  solicitation or
sale would be unlawful. Except for historical information contained in this news
release, the matters discussed are forward looking statements that involve risks
and  uncertainties.  When  used in this  release,  words  such as  "anticipate",
"believe",  "estimate",  "expect" and "intend" and similar expressions,  as they
relate to the Company or its management,  identify  forward-looking  statements.
Such  forward-looking  statements  are  based on the  beliefs  of the  Company's
management,  as well as assumptions made by and information  currently available
to the Company's  management.  Among the factors that could cause actual results
to differ  materially  are the  following:  the effect of business  and economic
conditions;  the impact of competitive products and pricing; capacity and supply
constraints  or  difficulties;   product   development,   commercialization   or
technological difficulties;  the regulatory and trade environment;  and the risk
factors reported from time to time in the Company's SEC reports.]

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