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南昌市中西医结合医院于1992年5月在两小时内收治了18例亚硝酸盐急性中毒病人。亚硝酸盐的毒理主要在于它能将低铁血红蛋白氧化为高铁血红蛋白,从而使之丧失输氧能力,造成组织缺氧。临床表现呈多样性,脑组织对缺氧最为敏感,神经系统的症状较为突出,所有病人除青紫外,以头晕头痛较为多见(约占94.4％),甚至可有昏睡、晕厥、抽搐或昏迷;次为心血管(心悸、心动过速)系及消化系(恶心、呕吐)等症状。所有中毒病例均按1～2mg/kg静注亚甲蓝,大量静滴维生素C和输液,口服中毒者清洗胃、催吐,重症给氧或用呼吸兴奋剂,个别可静输鲜血。所有患者均痊愈。慢性铅中毒易误诊,泰和县医院报告的72例中
Nanchang Integrative Medicine Hospital in May 1992 within two hours admitted 18 cases of acute nitrite poisoning. Toxicity of nitrite mainly lies in its ability to oxidize methemoglobin to methemoglobin, thereby losing its ability to oxygenate and causing tissue hypoxia. Clinical manifestations were diverse, the brain tissue most sensitive to hypoxia, the nervous system is more prominent symptoms, all patients in addition to blue, dizziness and headache is more common (about 94.4%), and may even have drowsiness, fainting, convulsions or coma ; Times for the cardiovascular (palpitations, tachycardia) Department and digestive system (nausea, vomiting) and other symptoms. All cases of poisoning were intravenously injected methylene blue 1 ~ 2mg / kg, a large number of intravenous vitamin C and infusion, oral poisoning who clean the stomach, vomiting, severe oxygen or respiratory stimulants, some can be transfusion of blood. All patients recovered. Chronic lead poisoning is misdiagnosed, Taihe County Hospital reported 72 cases