名词
中文翻译：心律失常
同义词：
['arrhythmic', 'dysrhythmia', 'tachycardia', 'bradycardia']
例句：
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1. He was diagnosed with atrial fibrillation and required medication.
他被诊断出有房颤，需要服药。
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2. During the exam, she experienced a sudden arrhythmia that made her faint.
考试期间，她突然发生了一次心律失常，晕倒了。
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3. The patient's heart rate was irregular, which could be caused by arrhythmia.
患者的心率不规律，可能是心律失常引起的。