aerendocardia

例句：

1. 1. The doctor performed an echocardiogram to diagnose the patient's heart condition.
   医生进行了超声心动图检查来诊断患者的心脏病情。
2. 2. The patient's aortic valve was severely damaged during surgery.
   患者在手术中严重损伤了主动脉瓣。
3. 3. Atrial fibrillation is a common arrhythmia that can cause irregular heartbeats.
   房颤是一种常见的心律失常，会导致不规则的心跳。