某化工厂碳酸钡车间工人孙某、张某值夜班时 ,吩咐一临时工提开水 ,该临时工很不满 ,将碳酸钡投入热水瓶中作为报复 ,孙、张二人饮用热水过程中发现瓶底有白色沉淀 ,产生疑问 ,即停饮。约经二小时后 ,二人均出现四肢麻木、乏力、腹痛、心慌、气短、头晕、恶心等症状。查体见肌 A chemical plant barium carbonate workshop workers Sohn, Zhang value night shift, told a temporary workers to turn on the water, the temporary workers are very dissatisfied, the barium carbonate into the thermos as a revenge, Sun, Zhang found two bottles of drinking hot water bottle At the end of a white precipitate, have questions, stop drinking. After about two hours, the two were numbness, fatigue, abdominal pain, palpitation, shortness of breath, dizziness, nausea and other symptoms. Physical examination muscle