INSTITUTIONAL VENTURE PARTNERS V
SC 13G, 2000-02-11
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13G
                               (Amendment No. __)*

                    UNDER THE SECURITIES EXCHANGE ACT OF 1934

                          Cardiac Pathways Corporation
                    -----------------------------------------
                                (Name of Issuer)

                                  Common Stock
                        ---------------------------------
                         (Title of Class of Securities)

                                   141408 10 4
                        ---------------------------------
                                 (CUSIP Number)

                                December 31, 1999
- --------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the  appropriate box to designate the rule pursuant to which this Schedule
is filed:

         |_|      Rule 13d-1(b)

         |X|      Rule 13d-1(c)

         |_|      Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).


                               Page 1 of 18 Pages

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------                                    ------------------------------------------------
CUSIP No. 141408 10 4                                          13G                                Page 2 of 18 Pages
         ------------
- ------------------------------------------------                                    ------------------------------------------------
<S>           <C>                                                           <C>
- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Institutional Venture Partners V  94-3139438
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      |_|

                                                                            (b)     |X|
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California

- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER
                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER
                                     none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*
              PN

- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>

                                                         Page 2 of 18 pages

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------                                    ------------------------------------------------
CUSIP No. 141408 10 4                                          13G                                Page 3 of 18 Pages
         ------------
- ------------------------------------------------                                    ------------------------------------------------
<S>           <C>                                                           <C>
- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Institutional Venture Management V  94-3139437
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      |_|

                                                                            (b)     |X|
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California

- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER
                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER
                                     none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              PN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                         Page 3 of 18 Pages

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------                                    ------------------------------------------------
CUSIP No. 141408 10 4                                          13G                                Page 4 of 18 Pages
         ------------
- ------------------------------------------------                                    ------------------------------------------------
<S>           <C>                                                           <C>
- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Institutional Venture Partners VII  94-3244086
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      |_|

                                                                            (b)     |X|
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California

- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER
                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER
                                     none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*
              PN

- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>

                                                         Page 4 of 18 Pages

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------                                    ------------------------------------------------
CUSIP No. 141408 10 4                                          13G                                Page 5 of 18 Pages
         ------------
- ------------------------------------------------                                    ------------------------------------------------
<S>           <C>                                                           <C>

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Institutional Venture Management VII  94-3244085
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      |_|

                                                                            (b)     |X|
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California

- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER
                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER
                                     none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*
              PN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

                                                         Page 5 of 18 Pages

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------                                    ------------------------------------------------
CUSIP No. 141408 10 4                                          13G                                Page 6 of 18 Pages
         ------------
- ------------------------------------------------                                    ------------------------------------------------
<S>           <C>                                                           <C>
- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              IVP Founders Fund I, L.P.  94-3231480
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      |_|

                                                                            (b)     |X|
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California

- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER
                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER
                                     none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*
              PN

- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                         Page 6 of 18 Pages

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------                                    ------------------------------------------------
CUSIP No. 141408 10 4                                          13G                                Page 7 of 18 Pages
         ------------
- ------------------------------------------------                                    ------------------------------------------------
<S>           <C>                                                           <C>
- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Samuel D. Colella  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      |_|

                                                                            (b)     |X|
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States

- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             800
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER
                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     800
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              800

- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              0.0%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                         Page 7 of 18 Pages

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------                                    ------------------------------------------------
CUSIP No. 141408 10 4                                          13G                                Page 8 of 18 Pages
         ------------
- ------------------------------------------------                                    ------------------------------------------------
<S>           <C>                                                           <C>
- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Reid W. Dennis  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      |_|

                                                                            (b)     |X|
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States

- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER
                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

                                                         Page 8 of 18 Pages

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------                                    ------------------------------------------------
CUSIP No. 141408 10 4                                          13G                                Page 9 of 18 Pages
         ------------
- ------------------------------------------------                                    ------------------------------------------------
<S>           <C>                                                           <C>
- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Mary Jane Elmore  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      |_|

                                                                            (b)     |X|
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States

- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER
                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                         Page 9 of 18 Pages

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------                                    ------------------------------------------------
CUSIP No. 141408 10 4                                          13G                                Page 10 of 18 Pages
         ------------
- ------------------------------------------------                                    ------------------------------------------------
<S>           <C>                                                           <C>
- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Norman A. Fogelsong  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      |_|

                                                                            (b)     |X|
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States

- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER
                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                        Page 10 of 18 Pages

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------                                    ------------------------------------------------
CUSIP No. 141408 10 4                                          13G                                Page 11 of 18 Pages
         ------------
- ------------------------------------------------                                    ------------------------------------------------
<S>           <C>                                                           <C>

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Ruthann Quindlen  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      |_|

                                                                            (b)     |X|
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States

- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER
                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              0.0%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

                                                        Page 11 of 18 Pages

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------                                    ------------------------------------------------
CUSIP No. 141408 10 4                                          13G                                Page 12 of 18 Pages
         ------------
- ------------------------------------------------                                    ------------------------------------------------
<S>           <C>                                                           <C>

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              L. James Strand  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      |_|

                                                                            (b)     |X|
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States

- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER
                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              0.0%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

                                                        Page 12 of 18 Pages

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------                                    ------------------------------------------------
CUSIP No. 141408 10 4                                          13G                                Page 13 of 18 Pages
         ------------
- ------------------------------------------------                                    ------------------------------------------------
<S>           <C>                                                           <C>
- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              T. Peter Thomas  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      |_|

                                                                            (b)     |X|
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States

- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER
                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

                                                        Page 13 of 18 Pages

<PAGE>

<TABLE>
<CAPTION>
- ------------------------------------------------                                    ------------------------------------------------
CUSIP No. 141408 10 4                                          13G                                Page 14 of 18 Pages
         ------------
- ------------------------------------------------                                    ------------------------------------------------
<S>           <C>                                                           <C>

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Geoffrey Y. Yang  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      |_|

                                                                            (b)     |X|
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States

- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER
                                     none

                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              none

- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              none
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>

                                                        Page 14 of 18 Pages

<PAGE>


Item 1.

    (a)   Name of Issuer:           Cardiac Pathways Corporation

    (b)   Address of Issuer's Principal Executive Offices:
                                    995 Benecia Avenue
                                    Sunnyvale, CA  94086

Item 2.

    (a)   Name of Persons Filing:

                               Institutional Venture Partners V ("IVP  V")
                               Institutional Venture Management V ("IVM V")
                               Institutional Venture Partners VII ("IVP  VII")
                               Institutional Venture Management VII ("IVM  VII")
                               IVP  Founders Fund I (FFI)
                               Samuel D. Colella ("SDC")
                               Reid W. Dennis ("RWD")
                               Mary Jane Elmore ("MJE")
                               Norman A. Fogelsong  ("NAF")
                               Ruthann  Quindlen ("RAQ")
                               L. James Strand ("LJS")
                               T. Peter Thomas ("TPT")
                               Geoffrey Y. Yang ("GYY")

IVM V is the  General  Partner  of IVP V. SDC,  RWD,  MJE,  NAF,  TPT, & GYY are
General  Partners of IVM V. IVM VII is the General Partner of IVP VII. SDC, RWD,
MJE, NAF, RAQ, LJS, TPT, & GYY are General Partners of IVM VII.


    (b)   Address of Principal Business Office or, if None, Residence:
                                    3000 Sand Hill Road
                                    Building 2, Suite 290
                                    Menlo Park, CA  94025

    (c)   Citizenship:
                                    IVP V, IVM V, IVP VII, IVM VII, & FFI:
                                    California

                                    SDC, RWD, MJE, NAF, RAQ, LJS, TPT, GYY:
                                    United States

    (d)   Title of Class of Securities:
                                    Common Stock

    (e)   CUSIP Number: 141408 10 4


Item 3. If this statement is filed pursuant to Rules 13d-1(b),or 13d-2(b), check
        whether the person filing is a:

Not applicable

Item 4.  Ownership

See Rows 5 through 11 of cover pages


                              Page 15 of 18 Pages

<PAGE>

Item 5.  Ownership of Five Percent or Less of a Class

       If this  statement  is being filed to report the fact that as of the date
hereof the reporting  person has ceased to be the beneficial  owner of more than
five percent of the class of securities, check the following |X|.

       Instruction. Dissolution of a group requires a response to this item.


Item 6.  Ownership of More than Five Percent on Behalf of Another Person

Under  certain  circumstances  set  forth in IVP and IVM's  Limited  Partnership
Agreements, the General Partners and Limited Partners of each of such funds have
the right to  receive  dividends  from,  or the  proceeds  from the sale of, the
Common Stock of Issuer owned by each such fund.

Item 7.  Identification  and Classification of the Subsidiary Which Acquired the
         Security Being Reported on by the Parent Holding Company

Not applicable

Item 8.  Identification and Classification of Members of the Group

Not applicable

Item 9.  Notice of Dissolution of Group

Not applicable

Item 10. Certification

       [The following  certification shall be included if the statement is filed
pursuant to Rule 13d-1(b):]

       By signing  below I certify that, to the best of my knowledge and belief,
the  securities  referred  to above  were  acquired  in the  ordinary  course of
business  and were not acquired for the purpose of and do not have the effect of
changing or  influencing  the control of the issuer of such  securities and were
not acquired in connection  with or as a participant in any  transaction  having
such purpose or effect.]

[EXHIBITS]

[A:    Joint Filing Statement]


                              Page 16 of 18 Pages

<PAGE>

                                    SIGNATURE

       After  reasonable  inquiry and to the best of my knowledge and belief,  I
certify that the information  set forth in this statement is true,  complete and
correct.

Date:             February 1, 2000

INSTITUTIONAL VENTURE PARTNERS V       INSTITUTIONAL VENTURE MANAGEMENT V
By its General Partner,
Institutional Venture Management V

- --------------------------------       --------------------------------
Samuel D. Colella, General Partner     Samuel D. Colella, General Partner

INSTITUTIONAL VENTURE PARTNERS VII     INSTITUTIONAL VENTURE MANAGEMENT VII
By its General Partner,
Institutional Venture Management VII

- --------------------------------       --------------------------------
Samuel D. Colella, General Partner     Samuel D. Colella, General Partner

IVP FOUNDERS FUND I
By its General Partner,
Institutional Venture Management VI

- --------------------------------
Samuel D. Colella, General Partner



- --------------------------------               --------------------------------
Samuel D. Colella                                       T. Peter Thomas


- --------------------------------               --------------------------------
Reid W. Dennis                                         Geoffrey Y. Yang



- --------------------------------               --------------------------------
Mary Jane Elmore                                        William P. Tai


- --------------------------------
Norman A. Fogelsong


- --------------------------------
Ruthann Quindlen


- --------------------------------
L. James Strand


                              Page 17 of 18 Pages

<PAGE>

                                    EXHIBIT A

                             JOINT FILING STATEMENT

       Pursuant to Rule  13d-1(f)(1),  we, the  undersigned,  hereby express our
agreement that the attached Schedule 13G is filed on behalf of each of us.

Date:             February 1, 2000

INSTITUTIONAL VENTURE PARTNERS V       INSTITUTIONAL VENTURE MANAGEMENT V
By its General Partner,
Institutional Venture Management V

- --------------------------------       --------------------------------
Samuel D. Colella, General Partner     Samuel D. Colella, General Partner

INSTITUTIONAL VENTURE PARTNERS VII     INSTITUTIONAL VENTURE MANAGEMENT VII
By its General Partner,
Institutional Venture Management VII

- --------------------------------       --------------------------------
Samuel D. Colella, General Partner     Samuel D. Colella, General Partner

IVP FOUNDERS FUND I
By its General Partner,
Institutional Venture Management VI

- --------------------------------
Samuel D. Colella, General Partner



- --------------------------------               --------------------------------
Samuel D. Colella                                       T. Peter Thomas


- --------------------------------               --------------------------------
Reid W. Dennis                                          Geoffrey Y. Yang



- --------------------------------               --------------------------------
Mary Jane Elmore                                        William P. Tai


- --------------------------------
Norman A. Fogelsong


- --------------------------------
Ruthann Quindlen


- --------------------------------
L. James Strand


                              Page 18 of 18 Pages



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