A study published in September 2005 in the Journal of the American College of Cardiology said it costs roughly $34,000 for a single-chamber device and about $38,000 for a dual-chamber model.
But that study also found that the cost savings of single-chamber devices can be wiped out if patients need to upgrade to the dual-chamber model because their condition gets worse, a situation that occurs in about 5 to 6 percent of patients in clinical trials.
For more on implantable cardioverter defibrillators, head to the U.S. National Heart, Lung, and Blood Institute.
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