A.20%~40% B.40%~60% C.60%~80% D.85%~90% E.90%~98%
A.25% B.50% C.75% D.90% E.100%
A.主動(dòng)脈瓣收縮中期部分關(guān)閉 B.室間隔明顯增厚 C.左心室后壁增厚,但增厚程度小于室間隔 D.心室壁呈彌漫性向心性肥厚 E.室間隔厚度與左心室后壁厚度比值大于1.3