The most common causes are aortic or pulmonic valve regurgitation.
最常见的原因是主动脉瓣或肺动脉瓣反流。
Regurgitation is the second most common symptom, and is present in about 60% of patients.
返流是第二种最常见的症状，并有大约60％的患者存在。
Regurgitation is the second most common symptom, and is present in about 60% of patients.
返流是第二种最常见的症状，并有大约60％的患者存在。
应用推荐