cardiac diet

例句：

1. 1. The patient's heart rate is elevated during exercise.
   病人在运动时心率升高。
2. 2.The doctor prescribed a medication to treat the patient's cardiac condition.
   医生开了一种药物来治疗病人的心脏疾病。
3. 3.Cardiac surgery involves the removal of a diseased heart valve.
   心脏手术包括移除一个有病的心脏瓣膜。