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posted: 4/22/2013 6:00 AM

Sophisticated pacemakers benefit heart-block patients

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By Michelle Fay Cortez
Bloomberg News

People with an electrical malfunction that blocks signals from the top of the heart to its lower chambers fare better with an advanced pacemaker that synchronizes cardiac rhythm, researchers said.the findings should help persuade doctors to use pacemakers that provide pacing for the left as well as right side of the heart, said the lead researcher.

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