Characterized by or relating to an abnormal or irregular heart rhythm that differs from the normal pattern.
From 'allorhythmia' + '-ic' (having the quality of). Formed as the adjectival form of the noun describing irregular cardiac rhythms.
If a doctor describes your heart as 'allorrhythmic,' they're noting that it's beating in a different or abnormal pattern—though interestingly, some 'allorrhythmic' variations are completely harmless, while others require treatment.
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