<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE QUARTER
ENDED AUGUST 31, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<CIK> 0000719722
<NAME> CARDIODYNAMICS INTERNATIONAL CORP.
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> NOV-30-2000
<PERIOD-START> JUN-01-2000
<PERIOD-END> AUG-31-2000
<CASH> 14,961,134
<SECURITIES> 0
<RECEIVABLES> 5,134,617
<ALLOWANCES> 739,969
<INVENTORY> 2,030,486
<CURRENT-ASSETS> 22,100,467
<PP&E> 960,402
<DEPRECIATION> 429,640
<TOTAL-ASSETS> 23,775,234
<CURRENT-LIABILITIES> 1,960,045
<BONDS> 0
0
0
<COMMON> 44,646,133
<OTHER-SE> 0
<TOTAL-LIABILITY-AND-EQUITY> 23,775,234
<SALES> 3,572,971
<TOTAL-REVENUES> 3,572,971
<CGS> 1,143,815
<TOTAL-COSTS> 2,927,951
<OTHER-EXPENSES> 13,685
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 67,096
<INCOME-PRETAX> (443,202)
<INCOME-TAX> 0
<INCOME-CONTINUING> 0
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (443,202)
<EPS-BASIC> (.01)
<EPS-DILUTED> (.01)
</TABLE>