患儿男,1(3/12)岁,汉族。入院前3日午睡时,其父在家中炉火中熔炼汞合金约1小时。当晚患儿出现恶心、呕吐,时而嗜睡,时而躁动不安,头下垂,四肢无力,腹泻,尿少。于1996年10月4日急诊入院。入院查体:体温37℃,精神萎靡,呼吸急促,心率160次/分,双肺呼吸音粗,布满喘鸣音。腹软、肝脾未触及。四肢肌张力低。实验室检查:尿汞 Children male, 1 (3/12) years old, Han nationality. On the 3rd nap before going to hospital, his father smelt the amalgam in the house for about 1 hour. Night nausea, vomiting, sometimes drowsiness, sometimes restless, head drooping, limb weakness, diarrhea, oliguria. In October 4, 1996 emergency admission. Admission examination: body temperature 37 ℃, apathetic, shortness of breath, heart rate 160 beats / min, lung breath sounds thick, covered with wheezing. Abdomen soft, liver and spleen not touched. Limb muscle tension is low. Laboratory tests: Urine mercury