某氮肥厂工人因设备故障被含砷量(含三氧化二砷35％)很高的热碱液灼伤面部及颈、胸部。在现场和入院后创面未经彻底冲洗和中和即送外科,按烫伤常规治疗。治疗44天后创面愈合,因失眠、纳差、双下肢麻木、行走困难转入职防科。查体见步态蹒跚,四肢皮温低,无汗,触、痛、温觉减退,有麻木感,抬腿无力,尿砷正常。给予驱砷(每 A nitrogen fertilizer plant workers due to equipment failure was arsenic content (including arsenic trioxide 35%) high hot lye burns the face and neck, chest. On the scene and after admission, the wounds were thoroughly rinsed and neutralized, then surgically treated according to the scald. Treatment of wound healing after 44 days, due to insomnia, anorexia, numbness of both lower extremities, walking difficulties transferred to department of defense. Physical examination found staggering gait, limbs skin temperature is low, no sweat, touch, pain, hypoglycemia, numbness, leg weakness, urine arsenic normal. Give drive arsenic (each