backward heart-failure

例句：

1. 1.The patient's condition worsened afterthe surgery, leading to a backward heart-failure.
   手术后，患者的病情恶化，导致倒退性心脏衰竭。
2. 2. The elderly patientwas admitted to the hospital due to abackward heart-failure.
   由于倒退性心脏衰竭，这位老年患者被送进了医院。
3. 3. The doctor diagnosed the patient with abackward heart-failure and prescribed medication.
   医生诊断出患者患有倒退性心脏衰竭，并开了药。