1. Plural of arrhythmia; irregular heartbeats or abnormal rhythms of the heart.
Usage: Medical term; Countable noun; typically used in plural form when referring to multiple instances or types

Examples

• The patient was diagnosed with several types of arrhythmias during the cardiac monitoring.
• Arrhythmias can range from harmless to life-threatening depending on their severity.
• The doctor prescribed medication to help control the patient's arrhythmias.
• Some arrhythmias cause dizziness and shortness of breath.
• Caffeine and stress can trigger arrhythmias in susceptible individuals.
• The cardiologist used an EKG to detect the arrhythmias.