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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) April 9, 2009


                    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, Suite 300, 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
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                                       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 2.02 Results of Operations and Financial Condition - Registrant's press
release dated April 9, 2009, publicly announcing CardioDynamics Reports First
Quarter 2009 Results

ITEM 9.01 Financial Statements and Exhibits

      (c)   Exhibits.

99.1



                                   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:    April 9, 2009                 /Stephen P. Loomis/
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                                        Stephen P. Loomis
                                        Chief Financial Officer