患儿,男,日龄8天,以喉中痰鸣8天加重2天入院。患儿足月顺产,出生无窒息,无早破水、羊水混浊、胎盘老化。生后不久出现喉中痰鸣,在当地医院诊治2天,症状加重转入我科。患儿生后有尖叫,声音嘶哑,但哺乳良好,时有呛奶及呼吸困难,睡眠及二便正常。入院查体:足月儿外貌,呼吸困难,鼻 Children, male, day-old 8 days to phlegm in the throat 8 days aggravated 2 days admission. Children full-term follow-up of birth, birth without asphyxia, no broken water, amniotic fluid turbid, placental age. Shortly after birth, throat phlegm appeared in the local hospital for treatment for 2 days, the symptoms worsened into our department. Children screaming after birth, hoarse voice, but lactation is good, sometimes choking and breathing difficulties, sleep and two will be normal. Admission examination: full-term children appearance, breathing difficulties, nose