病儿2天,首胎顺产,旧法接生。生后一天因呛咳、呼吸困难,以吸入性肺炎收入院。病儿生后3小时始由鼻孔及口腔溢出粘性液体,并逐渐出现呼吸困难。胎便3次,小便1次,未吃奶。查体:发育正常,体温35.4℃,呈喘憋状态,三凹征阳性,皮肤弹性差,面颊扪及硬肿,前囟门1.5×1.5厘米,平坦、松软,唇面紫绀,咽充血,心 2 days sick child, the first child of birth, the old method of delivery. One day after birth due to cough, difficulty breathing, aspiration pneumonia income hospital. 3 hours after sick child began to spit viscous fluid from the nose and mouth, and gradually breathing difficulties. Fetus 3 times, urinate 1, did not eat milk. Physical examination: normal development, body temperature 35.4 ℃, was wheezing state, positive three concave sign, skin elasticity is poor, palpable palpable palpable, anterior fontanel 1.5 × 1.5 cm, flat, soft, cyanotic lips, pharynx congestion, heart