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Permanent pacemaker

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Illustration of a permanent pacemaker.

Illustration copyright 2001 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

A pacemaker is a small, battery-powered device that sends out weak electrical impulses that cause the heart muscle to contract. A permanent pacemaker is surgically placed into the chest through a small incision.

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Last Updated: 05/14/2007