extrasystole
[ ek-struh-sis-tuh-lee ]
/ ˌɛk strəˈsɪs tə li /
|
noun Pathology.
a premature contraction of the heart, resulting in momentary interruption of the normal heartbeat.
Nearby words
Also called premature beat, premature contraction.
Related forms
ex·tra·sys·tol·ic [ek-struh-sis-tol-ik] /ˌɛk strə sɪsˈtɒl ɪk/, adjectiveDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for extrasystole
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 WarfieldThe extrasystole may have its origin in either the auricle or the ventricle.
Arteriosclerosis and Hypertension:|Louis Marshall WarfieldProvided there is no evidence of gross myocardial lesion, the extrasystole itself is of no great significance.
Arteriosclerosis and Hypertension:|Louis Marshall Warfield
Medicine definitions for extrasystole
extrasystole
[ ĕk′strə-sĭs′tə-lē ]
n.
An ectopic, usually premature contraction of one of the chambers of the heart, resulting in momentary cardiac arrhythmia.premature systole
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.