extrasystole
[ek-struh-sis-tuh-lee]
- a premature contraction of the heart, resulting in momentary interruption of the normal heartbeat.
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Origin of extrasystole
Also called premature beat, premature contraction.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for extrasystole
Historical Examples
The extrasystole may have its origin in either the auricle or the ventricle.
Arteriosclerosis and Hypertension:Louis Marshall Warfield
Provided there is no evidence of gross myocardial lesion, the extrasystole itself is of no great significance.
Arteriosclerosis and Hypertension:Louis Marshall Warfield
Whenever there is a dropped beat or an intermittent pulse one may be sure that it is the result of an extrasystole.
Arteriosclerosis and Hypertension:Louis Marshall Warfield
extrasystole
(ĕk′strə-sĭs′tə-lē)- An ectopic, usually premature contraction of one of the chambers of the heart, resulting in momentary cardiac arrhythmia.premature systole
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.