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某男,30岁,因双腕下垂并手伸肌无力4天于1990年8月就诊。该患者曾受雇于一家蓄电池厂共18个月,从事铅作业。工作时穿工作服,戴手套,但未坚持戴口罩。4天前由于一段时间的紧张劳作,手及腕部出现无痛性肌无力,无神经系统的其它症状。既往健康,否认有家庭病史。每天吸烟约15支,少量饮酒,无长期服药史。查体见一般情况良好,神经系统体检发现双侧垂腕,腕伸肌强力3级,拇指及食指
A man, 30 years old, drooping due to double wrist and hand extensor weakness 4 days in August 1990 treatment. The patient was employed by a battery factory for 18 months for lead work. Wear work clothes and gloves while working, but do not wear masks. 4 days ago As a result of intense work for a period of time, hand and wrist painless muscle weakness, no other symptoms of the nervous system. Past health, denied family history. About 15 cigarettes a day, a small amount of alcohol, no long-term medication history. See the general condition of good physical examination, nervous system examination revealed bilateral vertical wrist, wrist extensor strength 3, the thumb and index finger