例1:男性,46岁.患者系寻常型银屑病,反复发作18年,1982年春因皮疹广泛而配服乙双吗啉,每次0.2g,一日3次,反复服用近3年,体力不衰.后因长期反复用药产生耐药,未在医生指导下自行加大乙双吗啉的剂量,至每天0.8～1.0g,连服3个月,总量达81g,在服药期间未作血象检查,与此同时自觉无力、头晕,不曾介意.1984年8月自觉无力、胸闷,活动后心悸,去当地医院 Example 1: Male, 46 years old, with psoriasis vulgaris and recurrent episodes of 18 years. In the spring of 1982, rash was given to patients with extensive rash due to a rash of 0.2g for 3 times a day for three years. After a long period of repeated use of drug resistance, not under the guidance of a doctor to increase the dose of B-morphine to 0.8 ~ 1.0g per day, and even for 3 months, a total of 81g, during the medication did not For blood test, at the same time consciously weak, dizzy, never mind. 1984 August consciously weak, chest tightness, palpitations after the event, to the local hospital