extrasystole


ex·tra·sys·to·le

noun \-ˈsis-tə-(ˌ)lē\

Definition of EXTRASYSTOLE

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

Origin of EXTRASYSTOLE

New Latin
First Known Use: circa 1900

ex·tra·sys·to·le

noun \-ˈsis-tə-(ˌ)lē\   (Medical Dictionary)

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
ex·tra·sys·tol·ic \-sis-ˈtäl-ik\ adjective

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