1病历资料患儿女,4岁。因“间断呕吐腹泻伴睡眠增多3d,发热1d”于2012年3月收入天津市儿童医院神经内科治疗。患儿入院前3d开始出现间断呕吐腹泻,同时伴有睡眠增多,无抽搐、意识障碍、肢体运动障碍,无视物及听觉障碍。入院前1d发热1次,体温39.5℃,予退热治疗后降至正常。患儿系第1胎第1产,足月剖宫产。精神运动发育适龄,否 1 medical records of children, 4 years old. Due to “intermittent vomiting diarrhea with sleep increased 3d, fever 1d ” in March 2012 income Tianjin Children’s Hospital Department of Neurology treatment. Disorder vomiting diarrhea began to appear in children before admission 3d, accompanied by increased sleep, no convulsions, unconsciousness, limb movement disorders, ignoring the object and hearing disorders. 1d before admission, fever 1, body temperature 39.5 ℃, to anti-fever treatment dropped to normal. The first child of the first birth in children, cesarean section. Age of mental development, no