患儿,男,2岁。误服高锰酸钾1包(含量不详),约20g,半小时后出现呕吐,哭闹不安,恐惧感,频繁呛咳,呼吸困难,急诊入院。体检:体温、血压均正常范围。呼吸急促,烦躁,定向力差,四肢阵发性抖动,眼球呈水平震颤,双侧瞳孔对称,略散大,对光反射存在,鼻、口唇轻微紫绀,口腔粘膜及咽部均呈棕黑色。心肺腹均正常。未引出病 Children, male, 2 years old. Inadvertently take a pack of potassium permanganate (content is unknown), about 20g, half an hour later vomiting, crying uneasy, fear, frequent cough, difficulty breathing, emergency admission. Physical examination: body temperature, blood pressure are normal range. Shortness of breath, irritability, poor orientation, paroxysmal jitter limbs, the eye level was tremor, bilateral pupil symmetry, slightly scattered, the presence of light reflexes, nose, lips slightly cyanotic, oral mucosa and pharynx were brown. Cardiopulmonary abdominal normal. Did not lead to disease