- a premature contraction of the heart, resulting in momentary interruption of the normal heartbeat.
Origin of extrasystole
Examples from the Web for extrasystole
Historical Examples of extrasystole
The extrasystole may have its origin in either the auricle or the ventricle.
Whenever there is a dropped beat or an intermittent pulse one may be sure that it is the result of an extrasystole.
Provided there is no evidence of gross myocardial lesion, the extrasystole itself is of no great significance.
- An ectopic, usually premature contraction of one of the chambers of the heart, resulting in momentary cardiac arrhythmia.premature systole