![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
[单选题]
男孩,1岁半,发热伴咳嗽5天,加重伴呼吸困难1天,曾予青霉素治疗3天,查体:T39℃,驱赶可见散在红色斑丘疹,呼吸急促,可闻及中小水泡。血WBC×10*9/L,N0.90,L0.10,胸部X片示双肺斑片影,肺大泡。患儿住院后,经过治疗病情曾一度好转,但今天起病情又突然加重,出现高热及呼吸困难,查体:T39.5℃,R60次/分,烦躁不安,可见鼻扇及三凹征,面色苍白,唇周发绀。右上肺叩诊呈浊音。右肺呼吸音低,心率140次/分,心音有力,律齐,肝脾无肿大,应首先考虑()
A.真菌感染
B.心力衰竭
C.中毒性脑病
D.中毒性心肌炎
E.脓气胸
![](https://static.youtibao.com/asksite/comm/h5/images/m_q_a.png)
E、脓气胸
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)