CardiacAssist, Inc. To Exhibit TandemHeart(R) PTVA(R) System At Heart Rhythm Society 2006

PITTSBURGH, May 17 /PRNewswire/ -- CardiacAssist, Inc., a Pittsburgh-based medical device company that develops, manufactures and markets cardiac assist devices, is exhibiting the TandemHeart(R) PTVA(R) System percutaneous left ventricular assist device (LVAD) in Boston at Heart Rhythm 2006, the Heart Rhythm Society’s 27th Annual Scientific Sessions.

CardiacAssist will be in booth #256 with information and displays pertaining to its TandemHeart System and recent cases performed.

The TandemHeart System is designed to be used as a short-term extracorporeal circulatory support system for procedures not requiring complete cardiopulmonary bypass (e.g., valvuloplasty, mitral valve reoperation, surgery of the vena cava and/or aorta, liver transplant). The device has received FDA 510(k) clearance for short-term use and is the only FDA approved device of its kind in the U.S.

More than 600 worldwide procedures using the TandemHeart system have now been completed. Other recent developments involving the TandemHeart System include:

- Development and FDA approval of the Transseptal Cannula - Enhanced Flow (THTC-EF), which enables the TandemHeart System to provide blood flow of up to five liters per minute - Placement of the TandemHeart System at Emory University Hospital in Atlanta - Placement of the TandemHeart System at Washington Hospital Center in Washington D.C. - Placement of the TandemHeart System at Dartmouth-Hitchcock Medical Center in Lebanon, N.H.

CardiacAssist is also preparing to market its next generation TandemHeart Escort(R) Controller, subject to FDA approval. The Escort Controller will be smaller, lighter, easier to use, easier to service and more portable.

The TandemHeart System helps restore blood circulation through a percutaneous cardiac catheterization procedure in as little as 30 minutes. The result is an increase in blood flow-up to five liters per minute (lpm).

The TandemHeart System is fully reimbursed by Medicare under existing DRG codes. The device can be placed rapidly in the cath lab or operating room, providing effective, reliable temporary circulatory support.

To date, more than 600 uses of the system in 28 countries at 70 different facilities by 120 different physicians have been performed. If you can’t visit us at Heart Rhythm Society meeting in Boston, please join us October 22-27 at TCT 2006 in Washington D.C.

About CardiacAssist

Founded in 1996, CardiacAssist, Inc. is a privately held, Pittsburgh-based medical device company that develops, manufactures and markets innovative products designed to provide cardiologists and cardiac surgeons with minimally invasive solutions for providing extracorporeal circulatory support. Its vision is to help advance the treatment of heart disease by bridging gaps in current treatment methodologies.

This press release may contain certain forward-looking statements that relate to CardiacAssist’s future business and financial performance. Such statements are subject to a number of risks and uncertainties that may cause the actual events or future results to differ from those discussed herein.

About Heart Rhythm 2006

Heart Rhythm 2006 is the most comprehensive educational program for heart rhythm professionals, featuring over 200 educational sessions and over 130 innovative products and services. This year’s theme: Physicians - Scientists - Allied Professionals Shaping the Future of Heart Rhythm Management, recognizes the important collaborations between clinically oriented physicians, scientists and allied professionals whose combined efforts advance the care of patients with heart rhythm disorders. The Heart Rhythm Society’s Annual Scientific Sessions have become the must attend event of the year, allowing the exchange of new vital ideas and information among colleagues from every corner of the globe.

Media Contact: Dan Snyders Armada Medical Marketing 303-623-1190 x230 dan@armadamedical.com Monica Bush CardiacAssist, Inc. 412-963-7770 x247 mbush@cardiacassist.com

CardiacAssist, Inc.

CONTACT: Dan Snyders of Armada Medical Marketing, +1-303-623-1190 x230, ordan@armadamedical.com; or Monica Bush of CardiacAssist, Inc.,+1-412-963-7770 x247, or mbush@cardiacassist.com

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