患儿女,4岁半,因精神差伴呆滞3小时急诊入院。患儿母述当日晨起床进食后发现患儿精神差,不说话,流涎,站立不稳,表情木讷,将其抱起时感其四肢“发硬”,神志清晰,表情淡漠,不发热,无吐泻,未抽搐。查体:面色绯红,神志清楚,呼之不应。体温正常,血压12080kPa。蹒跚步态,头向右?.. Children with children, 4 years and a half, due to poor mental retardation 3 hours emergency admission. On the morning of the morning, children’s mothers and children found that they had poor psychology, poor speech, drooling, standing instability and stiff expression. When they picked up their limbs, they felt “hard” and had a clear look with indifference and no fever. Vomiting and diarrhea, not convulsions. Physical examination: looking crimson, conscious, call should not. Normal body temperature, blood pressure 12080kPa. Tumbling gait, head right?