图9-2房室间隔缺损（正位片）示：高肺动脉血流量导致肺纹理增多和心脏扩大2.发绀型肺血增多肺血增多和心脏肥大也见于发绀型先天性心脏病（congenitalheartdisease），见于完全性大动脉转位（transpositionofthegreatarteries）、共同通道畸形（无梗阻性完全性肺静脉异位连接、心室双入口不伴肺动脉狭窄及永存动脉干）、右向左分流伴肺血流增加（四联症伴肺动脉闭锁（pulmonaryatresia）合并大型的主肺动脉侧支或分流形成）。
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