例1男,25岁,某蓄电池厂装配工,从事焊接铅板作业6个月(车间空气中铅烟浓度为0.3mg/m3),因腹绞痛、恶心、头晕、乏力、食欲不振2个月于1996年12月3日入院。既往健康。查体:神志清,贫血貌,睑结合膜苍白,巩膜无黄染,齿龈铅线(+),心肺正常,腹软,脐周有压痛,肝脾未触及,四肢痛温觉正 Example 1 male, 25 years old, a battery factory assembly workers engaged in welding lead board operation for 6 months (workshop air lead concentration 0.3mg / m3), due to abdominal cramps, nausea, dizziness, fatigue, loss of appetite 2 Month in December 3, 1996 admission. Past health. Examination: Sense of clear, anemia appearance, pale eyelid conjunctiva, Sclera no yellow dye, gingival plumbum (+), normal heart and lung, abdominal soft, umbilical weeks have tenderness, liver and spleen not touched,