患儿 男,生后1h,因呼吸急促和口吐泡沫而入新生儿科。小儿为1胎1产,足月正常分娩,无宫内窘迫及出生窒息史。母年龄26岁,孕早期曾患上呼吸道感染1次,症状较轻,未经任何治疗自愈。否认其它疾病史。产前B超,羊水过多。小儿出生时羊水量多、色清,Apgar评分1min、5min均8分。入新生儿科时,体温35℃、呼吸80次/分、心率140次/分、体重3 225g;意识清,皮肤红,口周青,呼吸促,吐沫;吸气时凹陷明显,双肺呼吸音粗,双肺 Children male, 1h after birth, due to shortness of breath and vomiting foam into the neonatology. 1 child born in 1 child, full term normal delivery, no intrauterine distress and birth asphyxia history. The mother is 26 years old and has had respiratory infections once in her first trimester. The symptoms are mild and heal without any treatment. Denied the history of other diseases. Prenatal B-ultra, polyhydramnios. Children born amniotic fluid volume, color clear, Apgar score 1min, 5min are 8 points. Into the neonatology, body temperature 35 ℃, breathing 80 beats / min, heart rate 140 beats / min, body weight 3 225g; clear consciousness, skin red, mouth Qing green, shortness of breath, spume; Rough, double lungs