女患儿出生后2月,因呕吐、腹胀、哭啼不安2日入院.入院前一日进母乳后,突然发生呕吐奶汁,哭闹不安.排出稀水样大便一次,无脓血、粘液.以后停止排气排便,继之出现腹胀.次日因呕吐、腹胀加重,伴发热、寒战入院.体检:体温385℃,精神不振,面色 Female children born in February, due to vomiting, abdominal distension, crying uneasy 2 admitted to hospital on the day before admission to breast milk, a sudden vomit milk, crying uneasiness.Excitated watery stool once, no abscess blood, mucus After stopping the exhaust defecation, followed by bloating the next day due to vomiting, increased abdominal distension, with fever, chills admitted to hospital Physical examination: body temperature 385 ℃, lack of energy, looking