心脏扩大症

例句：

1. 1. He was admitted to the hospital with heart failure.
   他因心脏衰竭被送进了医院。
2. 2. His doctor prescribed medication to help him manage his heart failure.
   他的医生开了药物来帮助他管理他的心脏衰竭。
3. 3. Heart failure is a serious condition that requires immediate medical attention.
   心脏衰竭是一种严重的状况，需要立即医疗关注。