myocardial

例句：

1. 1. The heart is the organ that controls our breathing and circulation.
   心脏是我们控制呼吸和循环的器官。
2. 2.The doctor performed an emergency surgery on the patient's myocardial infarction.
   医生对患者的心肌梗塞进行了紧急手术。
3. 3. Myocardial infarction is a serious condition that requires immediate medical attention.
   心肌梗塞是一种严重的状况，需要立即医疗关注。