Smart toolshelp hearts
By Gina Kolata | The New York Times | Updated: 2010-08-08 07:40
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A doctor studies information from an implanted defibrillator. The devices, far right, transmit data. Ann Johansson for The New York Times |
On a recent Monday, Helen Elzo got a call from her doctor's office. A device implanted in her heart was not functioning. She needed to go to the hospital and have it replaced.
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