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artificial pacemaker

artificial pacemaker in Medicine

artificial pacemaker n.
An electronic device that substitutes for the natural pacemaker of the heart. It may be surgically implanted or placed externally on the chest.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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