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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 (Date of earliest event reported) May 9, 2005

                    CardioDynamics International Corporation
             (Exact name of registrant as specified in its charter)

       California                       0-11868                95-3533362
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(State or other jurisdiction          (Commission             (IRS Employer
    of incorporation)                File Number)          Identification No.)

6175 Nancy Ridge Drive, San Diego, California                    92121
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 (Address of principal executive offices)                      (Zip Code)

Registrant's telephone number, including area code (858)-535-0202

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

Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instructions A.2 below):

[ ]  Written communications pursuant to Rule 425 under the Securities
     Act (17 CFR 230.425)

[ ]  Soliciting material pursuant to Rule 14a-12 under the Exchange
     Act (17 CFR 240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

[ ]  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))

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ITEM 8.01 Other Events - Registrant's press release dated May 9, 2005, publicly
announcing that CardioDynamics BioZ Monitoring Reduces Incidence of Low Blood
Pressure by 52% in Women Undergoing Cesarean Section. A copy of the press
release is filed as Exhibit 99.1 to this Current Report on Form 8-K and is
incorporated herein by reference.

ITEM 9.01 Financial Statements and Exhibits

     (c) Exhibits

99.1  CardioDynamics press release dated May 9, 2005



                                   SIGNATURES

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 hereunto duly authorized.

                                        CardioDynamics International Corporation

Date:  May 9, 2005                      /s/Stephen P. Loomis
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                                        Stephen P. Loomis
                                        Chief Financial Officer