FREMONT, CA--(Marketwire - October 23, 2007) - Cardima, Inc. (OTCBB: CADM), developer of the REVELATION® Tx, REVELATION® T-Flex ablation microcatheters and INTELLITEMP® Energy Management Device, announces today that Arjun D. Sharma, M.D., F.A.C.C., has joined the Company as Chief Medical Officer. Dr. Sharma is a trained cardiologist and cardiac electrophysiologist.