胸骨左缘3~4肋间收缩期杂音,P2减弱A. ASD B.tetralogy of Fallot C. PDA D. VSD E. pulmonary steno

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问题 胸骨左缘3~4肋间收缩期杂音,P2减弱

选项 A. ASD
B.tetralogy of Fallot
C. PDA
D. VSD
E. pulmonary stenosis

答案E

解析
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