extrasystole

American  

[ek-struh-sis-tuh-lee] / ˌɛk strəˈsɪs tə li /

noun

Pathology.

1. a premature contraction of the heart, resulting in momentary interruption of the normal heartbeat.

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Other Word Forms

• extrasystolic adjective

Etymology

Origin of extrasystole

From New Latin, dating back to 1895–1900; extra-, systole

Example Sentences

Its greatest value is in states of abnormal conductivity, such as various grades of heart block, extrasystoles, whether originating in auricles or in either ventricle, abnormalities of rhythm, as flutter and fibrillation.

From Project Gutenberg

It has also been shown that extrasystoles, meaning irregular heart action, may be caused by impulses originating at the apex, at the base or at some point in the right ventricle.

From Project Gutenberg

Such extrasystoles are produced in the ventricle at some point other than the regular path of conduction of impulses.

From Project Gutenberg

The extrasystole may have its origin in either the auricle or the ventricle.

From Project Gutenberg

If there is auricular extrasystole it can not usually be recognized except by graphic methods.

From Project Gutenberg