extrasystole

noun
ex·​tra·​sys·​to·​le | \ ˌek-strə-ˈsi-stə-(ˌ)lē How to pronounce extrasystole (audio) \

Definition of extrasystole

: a premature beat of one of the chambers of the heart that leads to momentary arrhythmia

First Known Use of extrasystole

circa 1900, in the meaning defined above

History and Etymology for extrasystole

New Latin

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Time Traveler for extrasystole

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The first known use of extrasystole was circa 1900

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Cite this Entry

“Extrasystole.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/extrasystole. Accessed 24 Feb. 2021.

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More Definitions for extrasystole

extrasystole

noun
ex·​tra·​sys·​to·​le | \ -ˈsis-tə-(ˌ)lē How to pronounce extrasystole (audio) \

Medical Definition of extrasystole

: a prematurely occurring beat of one of the chambers of the heart that leads to momentary arrhythmia but leaves the fundamental rhythm unchanged

called also premature beat

Other Words from extrasystole

extrasystolic \ -​sis-​ˈtäl-​ik How to pronounce extrasystole (audio) \ adjective

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