如圖,初步超聲診斷為()
A.二尖瓣返流 B.三尖瓣返流 C.主動(dòng)脈瓣返流 D.肺動(dòng)脈瓣返流 E.二尖瓣狹窄
二尖瓣M型超聲心動(dòng)圖,圖中尖頭所示兩點(diǎn)稱為 ( )
A.E點(diǎn)和A點(diǎn) B.D點(diǎn)和C點(diǎn) C.F點(diǎn)和G點(diǎn) D.高點(diǎn)和底點(diǎn) E.前點(diǎn)和后點(diǎn)
某患者行右心造影,心尖四腔心切面聲像圖所示,提示為()
A.室間隔缺損 B.動(dòng)脈導(dǎo)管未閉 C.房間隔缺損 D.正常結(jié)構(gòu) E.二尖瓣狹窄