患者女,33岁。因双手指长有7颗寻常疣于1992年6月30日上午9时许来我科作冷冻治疗。治疗时患者取坐位,以棉签取适量液氮直接接触在寻常疣表面上,每个疣冷冻3个冻融周期(冷冻约30～60秒,组织冻结后自然复温约2分钟为一个冻融周期)。冷冻至第6个疣时,患者诉局部疼痛感觉头晕、恶心、出冷汗。检查:患者面色苍白,脉搏48次 Female patient, 33 years old. Due to the long fingers of seven common warts on June 30, 1992 at 9 am to my department for cryotherapy. Patients taking a sitting position to cotton swab appropriate amount of liquid nitrogen in direct contact with the surface of the vulgaris, each wart frozen three freeze-thaw cycles (frozen for about 30 to 60 seconds, tissue rewarming about 2 minutes after freezing for a natural freeze-thaw cycle). Frozen to the first 6 warts, the patient complained of local pain dizziness, nausea, cold sweat. Check: Patient pale, pulse 48 times