1. Irregular or abnormal heartbeats; a condition in which the heart beats too fast, too slow, or in an irregular pattern.
Usage: Medical term; plural of arrhythmia; Common in cardiology and healthcare contexts

Examples

• The patient was diagnosed with several types of arrhythmias after the ECG test.
• Caffeine and stress can trigger arrhythmias in some people.
• The cardiologist monitored the patient's arrhythmias using a Holter monitor.
• Some arrhythmias are harmless, while others require immediate treatment.
• Athletes sometimes experience arrhythmias due to intense physical exertion.
• The medication was prescribed to help control the patient's dangerous arrhythmias.