患儿女,9岁,于1990年5月31日中午因嗜睡而疑为农药中毒,在当地卫生院输液和肌注阿托品2mg,当晚10时出现四肢阵发性震颤,又予以脱水、镇静解痉剂治疗未见效,于6月2日急症入院。经追问,患儿供认于发病当日上10时服利血平2mg,其弟(2岁)亦同服0.5mg,但无症状。体检:T37℃,P100次,R24次,Bp13/9kPa。嗜睡,强行唤醒步态慌张。双瞳孔直径3mm,直间 Children, aged 9, were suspected of pesticide poisoning due to drowsiness at noon on May 31, 1990. Infusion and intramuscular injection of atropine 2 mg at a local hospital led to paroxysmal tremor at 10 pm that evening, followed by dehydration and sedation Spasmolytic treatment did not work, on June 2 emergency admission. After questioning, children confession on the date of the onset of 10 hours of reserpine 2mg, his younger brother (2 years old) also served with 0.5mg, but no symptoms. Physical examination: T37 ℃, P100 times, R24 times, Bp13 / 9kPa. Lethargy, forcibly wake up gait panic. Double pupil diameter 3mm, straight between