amyocardia

例句：

1. 1.He was diagnosed with a myocardial infarction and had to undergo surgery immediately.
   他被诊断出患有心肌梗死，并立即接受了手术。
2. 2. Heart attacks are a leading cause of death worldwide.
   心脏病发作是全球死亡的主要原因之一。
3. 3. The patient's condition worsened after the heart attack, requiring immediate medical attention.
   心脏病发作后，患者的病情恶化，需要立即就医。