例1,男,60岁,农民,已婚,因头昏、乏力、出汗3天,神志恍惚半天入院。患者因上腹部患牛皮癣10余年,曾外涂多种癣药无效,局部常奇痒、流黄水,经人介绍用五氯酚钠可治愈,于是自取五氯酚钠100g配成约10％的水溶液涂患处,每日3次,用到第10天皮癣干燥、骚痒消失,但出现头昏、头痛、乏力、恶心、出汗,第12天症状加重,精神恍惚。既往体健,否认有机磷农药接触史。入院查:T37℃,P80次/min,R22次/min,BP17/10.4kPa,神志欠清,皮肤粘膜无黄染,多汗,上腹部皮肤有一4×5cm大小癣斑,色褐、无渗出,双侧瞳孔(-),颈软,心肺(一),腹平软,肝脾末扪及,神经系统正常。实验室检查:血、尿粪常规正常,血清K+Na+Cl~-在正常范围,胸透心肺(-),肝功能正常,GPT40～ Example 1, male, 60 years old, farmer, married, dizzy, weakness, sweating for 3 days, delirium admitted for a long time. Patients suffering from upper abdominal psoriasis for more than 10 years, had applied a variety of ringworm drugs ineffective, local often itch, yellow fluid, by the introduction of sodium pentachlorophenol can be cured, so take 100g of pentachlorophenol dubbed about 10 % Of the aqueous solution coated the affected area, 3 times a day, used the first 10 days of dry skin, itching disappear, but there dizziness, headache, fatigue, nausea, sweating, symptoms increased on the 12th day, trance. Past physical health, denied the history of organophosphorus pesticide exposure. Admission examination: T37 ℃, P80 times / min, R22 times / min, BP17 / 10.4kPa, lack of consciousness, no yellow skin and mucous membranes, sweating, upper abdomen skin has a 4 × 5cm size ringworm spots, brown, no infiltration Out, both pupils (-), neck soft, heart and lung (a), abdominal soft, palpable end of the liver and spleen, the nervous system is normal. Laboratory tests: blood, urine normal, serum K + Na + Cl ~ - in the normal range, chest through the heart and lung (-), normal liver function, GPT40 ~