患儿女,14天.第2胎.36周早产.因生后7天咳嗽,发热,拒食,在当地医院诊为肺炎,用多种抗生素治疗无效转入我院.生后混合喂养,其母孕期后3个月咳嗽未服药.查体:体温40℃,体重3kg,呼吸60次/分,脉博160次/分.口周发绀,三凹症(+).听诊左肺闻细小水泡音,肝肋下2.5cm.血红蛋白 Children with 14 days. The second child .36 weeks premature birth .Because 7 days after birth, cough, fever, antifeedant, diagnosed as pneumonia in the local hospital, with a variety of antibiotics ineffective transferred to our hospital after birth mixed feeding, its 3 months after pregnancy, the mother did not take cough cough. Physical examination: body temperature of 40 ℃, weight 3kg, breathing 60 beats / min, pulse Bo 160 / min periodontal cyanosis, triple recess (+) auscultation of the left lung smell small blisters Tone, liver ribs 2.5cm. Hemoglobin