女，3岁，身高95cm，体重17kg，因感冒就诊，心脏有杂音，主要位于心尖区柔和的Ⅱ级收缩期杂音，局限，受呼吸、体位和运动影响。该杂音可见于() ["A．生理性杂音","B．房间隔缺损","C．室间隔缺损","D．肺动脉狭窄","E．动脉导管未闭"]
传染源
血氧饱和度
肺动脉瓣区第2音亢进和固定分裂多见于下列哪一种先天性心脏病() ["A．室间隔缺损","B．房间隔缺损","C．法洛四联症","D．肺动脉狭窄","E．艾森曼格综合征"]
存活的紫绀型先天性心脏病中最为常见的是哪种() ["A．房间隔缺损","B．室间隔缺损","C．动脉导管未闭","D．肺动脉瓣狭窄","E．法洛四联症"]
SARS
