Many Defibrillators Implanted Unnecessarily, Study Says

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Doctors are implanting high-tech heart devices in thousands of people who probably do not need them, a new study finds. The procedures cost more than $35,000, involve surgery and anesthesia, and may unnecessarily harm some patients.
link: http://www.nytimes.com/2011/01/05/health/05device.html?ref=health
link: http://www.nytimes.com/2011/01/05/health/05device.html?ref=health