皮皮学，免费搜题
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【单选题】
男性，6岁，18kg，自幼出现发绀，发育差，杵状指趾，胸骨左缘2～4肋间收缩期杂音，可扪及震颤，肺动脉第二音消失，动脉血氧饱和度为0.65，红细胞7.2×10 12 /L，心电图提示电轴右偏，右室肥大。 患者最有可能的诊断是（）。A.
法洛四联症
B.
肺动脉瓣狭窄
C.
主动脉离断
D.
室间隔缺损合并重度肺动脉高压
E.
房间隔缺损
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皮皮学刷刷变学霸
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A.
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B.
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C.
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D.
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