患儿男婴,生后7天,因皮肤黄疸4天伴发热一天入院。患儿系第一胎第一产,孕40周顺产,羊水清,产重3500ｇ,Ａｐｇａｒ评分一分钟9分,无窒息史。生后第3天全身皮肤出现黄疸,第6天无诱因出现发热、反应差、呼吸急促收入院,院外无抽风及呕吐病史。入院查体:体温36℃,体重3500ｇ,发育营 Baby boy, 7 days after birth, due to skin jaundice 4 days with fever one day admission. The first fetus in children with first birth, 40 weeks pregnant spontaneous, amniotic fluid, weight 3500g, Apgar score one minute 9 points, no history of asphyxia. On the third day after birth, jaundice appeared on the skin of the whole body. On the 6th day, there was no cause of fever, the reaction was poor, shortness of breath was admitted to the hospital, and there was no history of aspiration and vomiting outside the hospital. Admission examination: body temperature 36 ℃, weight 3500g, development camp