单选题患儿男，1岁半。发热，咳嗽4天，曾用青霉素肌注治疗无效。昨天起拒食，呕吐，尿量减少。入院查体：体温39.8℃，脉率180次/分，呼吸65次/分，精神萎靡，烦躁不安，口唇发绀，鼻翼扇动，三凹征（+），两肺散在中小水泡音，肝脏右肋下3cm。血白细胞2.5×109/L，中性粒细胞90%。该患儿最可能的情况是（）A肺炎合并心衰B肺炎合并中毒性脑病C肺炎合并脓胸D肺炎合并肺大疱E肺炎合并肺脓肿
单选题
患儿男，1岁半。发热，咳嗽4天，曾用青霉素肌注治疗无效。昨天起拒食，呕吐，尿量减少。入院查体：体温39.8℃，脉率180次/分，呼吸65次/分，精神萎靡，烦躁不安，口唇发绀，鼻翼扇动，三凹征（+），两肺散在中小水泡音，肝脏右肋下3cm。血白细胞2.5×109/L，中性粒细胞90%。
该患儿最可能的情况是（）
A
肺炎合并心衰
B
肺炎合并中毒性脑病
C
肺炎合并脓胸
D
肺炎合并肺大疱
E
肺炎合并肺脓肿
参考解析
解析：
根据患儿病史特点及体征，应考虑肺炎合并心衰
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