EXHIBIT 23.1 INDEPENDENT AUDITORS' CONSENT The Board of Directors CardioDynamics International Corporation We consent to the use of our report incorporated herein by reference and to the reference to our firm under the heading "Experts" in the prospectus. /s/ KPMG Peat Marwick LLP KPMG PEAT MARWICK LLP San Diego, California December 22, 1998 EXHIBIT 23.1