A.5%~10% B.10%~15% C.15%~20% D.20%~25% E.25%~46%
A.右心房至左心房分流 B.左心房至右心房分流 C.三尖瓣反流 D.肺動脈瓣反流 E.主動脈瓣反流
A.<10% B.<20% C.20%~40% D.>40% E.>50%