apex beat

Medical Dictionary

apex beat n.
A pulsation, either visible or palpable or both, made by the apex of the left ventricle of the heart as it strikes the chest wall in systole.

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