tachyrhythmia

例句：

1. 1.He was diagnosed with tachycardia and required medication to regulate his heart rate.
   他被诊断出心动过速，需要服药来调节他的心率。
2. 2.The patient's tachycardia was causing significant discomfort during the procedure.
   患者的心动过速在手术过程中造成了显著的不适。
3. 3. Arrhythmia is a condition where the heart beats irregularly or too fast.
   心律失常是指心脏跳动不规则或过快的情况。