cardiac asthenia

例句：

1. 1.He was diagnosed with cardiac asthenia and required a heart transplant.
   他被诊断出患有心脏衰弱症，需要接受心脏移植。
2. 2.The patient's condition worsened, leading to cardiac asthenia.
   患者的病情恶化，导致心脏衰弱症。
3. 3. Cardiac asthenia can be caused by various factors, including stress and poor diet.
   心脏衰弱症可以由多种因素引起，包括压力和不良饮食。