Doctors have been puzzled about why 40 percent of people who receive pacemakers to treat heart failure don't improve. A new analysis concludes that a patient's heart must beat out of sync quite a bit to make the devices worthwhile.
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Read the complete post at http://www.npr.org/blogs/health/2011/06/13/137159025/timing-is-everything-for-heart-failure-treatment-with-pacemakers?ft=1&f=103537970
Posted
Jun 13 2011, 02:13 PM
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