Definition of arrhythmic
: lacking rhythm or regularity <arrhythmic locomotor activity>
Origin of arrhythmic
First Known Use: 1853
Medical Definition of arrhythmic
1: lacking rhythm or regularity <arrhythmic locomotor activity>
2: of, relating to, characterized by, or resulting from arrhythmia <arrhythmic risk> <arrhythmic death>
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Medical Dictionary: Definition of "arrhythmic"
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