患儿女,23d,因“鼻塞咳嗽2d伴苍白少吃”入院。患儿第1胎、第1产、足月自娩、无窒息史、出生体重3.0kg、母孕期健康、无遗传病史。入院查体:T37℃,R35次/min,P135次/min,面色欠红润,反应可,两肺未及罗音,心律齐、无杂音、心音有力,腹软、肝脾不大,肌张力正常。实验室检查:血常 Children with children, 23d, due to “stuffy nose cough 2d with pale eat less” admitted. Children with first birth, the first production, term delivery, no history of asphyxia, birth weight 3.0kg, pregnant motherhood, no history of genetic disease. Admission examination: T37 ℃, R35 times / min, P135 times / min, looking less reddish, the reaction can be, both lungs and rales, rhythm Qi, no noise, heart sound, abdominal soft, small spleen and liver, spleen normal. Laboratory tests: blood often