患儿女,11岁,因“行走不稳2 d,伴呕吐头晕”入院。患儿于入院前2 d无明显诱因上学时突然出现行走不稳,伴呕吐、头晕,吐出物为胃内容物,非喷射状,无视物模糊及头痛,无发热及咳嗽,无腹痛腹泻,无意识障碍,就诊于我院收住。患儿既往体健。入院查体:神志清,精神反应欠佳,问答切题,抱入病房,双眼裂及鼻 Children with children, 11 years old, due to “walking unsteady 2 d, with vomiting dizziness ” admission. Children 2 d before admission no obvious incentive to go to school at the sudden onset of walking instability, with vomiting, dizziness, the contents of the stomach as spit, non-jet-like, blurred vision and headache, no fever and cough, no abdominal pain and diarrhea, unconscious Obstacles, treatment in our hospital to receive. Children with previous physical health. Admission examination: conscious, poor mental response, Q & A, into the ward, eyes and nose cleft