患儿,男,1天半,以“频繁呕吐1天”由产科转入。第1胎第1产,34~+周早产、早破水,羊水量多达5 000毫升。生后6小时开始喂奶,12小时出现呕吐,逐渐加重,开始吐出奶液及羊水,继而呈胆汁样黄绿色液体,抽出胃内容物可缓解,排少量胎粪1次,尿少呈黄色。母孕期体健,未服用任何药物。查体:体 Children, male, 1 and a half days, with “frequent vomiting 1 day” transferred from obstetrics. First child of the first production, 34 ~ + weeks premature birth, premature rupture of water, amniotic fluid up to 5 000 ml. 6 hours after birth began to feed, 12 hours vomiting, gradually increased, began to spit the milk and amniotic fluid, followed by bile-like yellow-green liquid, out of the stomach contents can be alleviated, a small amount of meconium 1 row, less urine yellow. Pregnant women during pregnancy, did not take any drugs. Physical examination: body