acardiac

例句：

1. 1. The heart is the organ responsible for circulating blood throughout the body.
   心脏是负责在整个身体中循环血液的器官。
2. 2. The doctor performed an emergency catheterization to repair the damaged heart valve.
   医生进行了紧急导管插入术，以修复受损的心瓣膜。
3. 3.The patient's heart rate was elevated during the procedure.
   患者在手术过程中心率升高。