Exhibit 99.1

CardioDynamics Reschedules Fourth Quarter 2004 Earnings Release and Conference
Call

     SAN DIEGO--(BUSINESS WIRE)--Feb. 9, 2005--CardioDynamics (Nasdaq:CDIC)
today announced that it is rescheduling its fourth quarter 2004 earnings release
and conference call from February 10, 2005 to March 1, 2005 due to additional
requirements under Section 404 of the Sarbanes-Oxley Act. The Act specifies
additional procedures by both the Company and its auditors that require more
time to complete the year-end closing and audit than what historically has been
experienced by the Company. The Company will utilize the 15-day extension to
timely file its Form 10-K and 45-day extension to complete the assessment of
internal controls over financial reporting for fiscal year ended November 30,
2004.

     Conference Call and Webcast Information:

     Michael K. Perry, Chief Executive Officer, and Steve P. Loomis, Chief
Financial Officer, will host a summary of CardioDynamics' fourth quarter results
and outlook for 2005 in a conference call on March 1, 2005 at 4:30 PM (EST). To
access the conference call, dial 800-346-7359 (Code 7784). International
participants can call 973-528-0008 (Code 7784). A replay of the call will be
available for one month following the call at 800-332-6854 (Code 7784). The
international replay number is 973-528-0005 (Code 7784). The webcast is
available at http://www.irconnect.com/primecast/04/q4/cdic_4q2004.html.

     About CardioDynamics:

     CardioDynamics (Nasdaq:CDIC), the ICG Company, is the innovator and leader
of breakthrough medical technology called Impedance Cardiography (ICG). The
Company develops, manufactures and markets noninvasive diagnostic and monitoring
technologies and electrodes. The Company's ICG Systems are being used by
physicians around the world to help battle the number one killer of men and
women -- cardiovascular disease. Partners include GE Healthcare and Philips
Medical Systems. For additional information, please refer to the company's Web
site at www.cdic.com.

     Forward-Looking (Safe Harbor) Statement:

     Except for the historical and factual information contained herein, this
press release contains forward-looking statements, the accuracy of which is
necessarily subject to uncertainties and risks including the Company's sole
dependence on the BioZ product line, and various uncertainties characteristic of
early growth companies, as well as other risks detailed in the Company's filings
with the SEC, including its 2003 Form 10-K. The Company does not undertake to
update the disclosures contained in this press release.


     CONTACT: CardioDynamics
              Bonnie Ortega, Investor Relations
              800-778-4825, Ext. 1005
              bonnie@cdic.com
              Irene Paigah, Media Relations
              800-778-4825, Ext. 1012
              ip@cdic.com