[问答题,简答题] 简述室间隔缺损的常见并发症?

简述室间隔缺损的心电图特点? 常于早期即发生淋巴转移的肺癌是() ["A．鳞状上皮癌","B．小细胞未分化癌","C．腺癌","D．大细胞未分化癌","E．细支气管肺泡癌"] 下列哪种类型的肺癌易形成空洞() ["A．小细胞未分化癌","B．大细胞未分化癌","C．腺癌","D．肺泡上皮癌","E．鳞状上皮癌"] 试述室间隔缺损的病理生理改变? 试述Roger病的特点? 简述室间隔缺损的常见并发症?