患者,钟某,男,26岁,农民。因吃用曾装“三甲基氯化锡”未清洗干净的油桶而污染的猪油炒菜,3天后出现头晕、头痛、耳鸣、四肢乏力,并渐加重。第5天四肢软弱无力,不能站立,于14时抬入病房。无呕吐、腹泻等失钾症状。既往体健,否认类似发作史。查体:生命体征平稳,神清,被动体位,瞳孔对光反射敏捷,甲状腺不肿大,双肺呼吸音清,心率 Patient, Zhongmou, male, 26 years old, farmer. 3 days after the lard, headache, tinnitus, weakness of the limbs, and getting heavier after 3 days due to eating lard cooking contaminated with unwashed drums that had been loaded with “trimethyltin chloride”. Day 5 Limbs weakness, unable to stand up, at 14 o’clock into the ward. No vomiting, diarrhea and other symptoms of potassium loss. Past physical health, denied a history of similar attacks. Physical examination: vital signs stable, clear, passive position, pupillary light reflex agility, thyroid enlargement, lung breath sounds clear, heart rate