Pacemakers Change Biology of the Heart(Page 2) Pacemakers can help extend people's lives for month or years or help them return to normal daily activities. It had been believed that pacemakers simply provided a mechanical solution for heartbeat malfunction. "Now that we have found that resynchronization is doing more fundamental things to the heart muscle, we should be able to better combine these devices with drugs to maximize long-term survival and outcomes," Kass said. More information The U.S. Food and Drug Administration has more about cardiac pacemakers. Related Links
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