[名词解释] 潜伏青紫型先心病

代谢性酸中毒常见的临床表现有() ["A．呼吸浅慢","B．心肌收缩力减弱","C．中枢神经系统处于抑制","D．心律失常","E．血管对儿茶酚胺反应性增强 "] 心内膜炎(endocarditis) 充血性心力衰竭(CongestiveHeartFailure) 房室传导阻滞(AVblock) X线表现为粗大树枝样阴影，尖端指向肺门，应考虑() ["A．肺气肿","B．肺不张","C．黏液嵌塞征","D．阻塞性肺炎","E．肺门区及纵隔肿块"] 潜伏青紫型先心病