arrhythmia
ar·rhyth·mia
noun \ā-ˈrith-mē-ə\Definition of ARRHYTHMIA
: an alteration in rhythm of the heartbeat either in time or force
Origin of ARRHYTHMIA
New Latin, from Greek, lack of rhythm, from arrhythmos unrhythmical, from a- + rhythmos rhythm
First Known Use: circa 1860
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