heart failure

例句：

1. 1. He was diagnosed with heart failure and had to stop working immediately.
   他被诊断出患有心脏衰竭，不得不立即停止工作。
2. 2.After the surgery, his heart function improved significantly.
   手术后，他的心脏功能显著改善。
3. 3. She was advised to avoid stress and maintain a healthy lifestyle to prevent heart failure.
   她被建议避免压力，保持健康的生活方式，以防止心脏衰竭。