subvalvular aortic stenosis

例句：

1. 1. The patient'sheart was found to have a subvalvular leak.
   患者的心脏被发现有瓣膜下漏。
2. 2. The surgeon performed a subvalvular replacement surgery on the patient.
   外科医生为患者进行了瓣膜下置换手术。
3. 3.The diagnosis of subvalvular regurgitation led to further testing andtreatment.
   诊断出瓣膜反流后，进一步进行了测试和治疗。