1入院情况患儿女,9岁1个月。主因“多饮多尿半月余,2 d前昏迷12 h”入院。入院前半月余患儿无明显诱因出现多饮多尿,每日饮水量不详,小便由每天3~4次增至每日10余次,夜尿3~4次/d,无多食、消瘦,无脾气暴躁、易怒,无恶心、呕吐、腹痛,无肢体麻木、头晕、视物模糊、昏迷、抽搐等,未予诊治。入院前2 d,患儿出现咽痛、咳嗽,无发热、流涕等,于当地输液治疗(具体不详),输液7 h后患 1 admission children with children, 9 years old and 1 month. Mainly due to “drink more than half a month urine more than 2 d coma 12 h ” admission. More than half a month before admission, children with no obvious incentive to drink polydipsia, daily drinking water is unknown, urine increased from 3 to 4 times a day to more than 10 times daily, nocturia 3 to 4 times / d, no food, weight loss , No temper, irritability, no nausea, vomiting, abdominal pain, no numbness, dizziness, blurred vision, coma, convulsions, etc., were not diagnosed and treated. 2 d before admission, children with sore throat, cough, no fever, runny nose, etc., in the local infusion therapy (specific unknown), infusion 7 h