First Known Use: circa 1900
Dictionary
extrasystole
noun ex·tra·sys·to·le \-ˈsis-tə-(ˌ)lē\
Definition of EXTRASYSTOLE
: a premature beat of one of the chambers of the heart that leads to momentary arrhythmia
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Origin of EXTRASYSTOLE
New Latin
Medical Dictionary
extrasystole
noun ex·tra·sys·to·le \-ˈsis-tə-(ˌ)lē\
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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