mitral valve prolapse syndrome

例句：

1. 1.The patient was diagnosed with mitral valve prolapse syndrome and required surgery.
   患者被诊断出患有二尖瓣脱垂综合征，需要手术治疗。
2. 2. Mitral valve prolapse syndrome can lead to heart failure if left untreated.
   未经治疗的二尖瓣脱垂综合征可能导致心脏衰竭。
3. 3. The patient's symptoms worsened after undergoing mitral valve prolapse syndrome treatment.
   患者在接受二尖瓣脱垂综合征治疗后症状恶化。