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1 临床资料1.1 病史某市某地铁车站变电室因拉错电闸相继发生两次火灾事故。当时地铁站大厅内黑烟弥漫,对面不见人。本组4名患者皆为该站职工(电工和客运工),3女1男,年龄27～48岁,平素健康,于参加现场救火吸入烟雾20分钟至4小时后(例4于救火24小时)出现头晕、胸闷、气短、呛
1 Clinical data 1.1 History City subway station substation due to pull the wrong gate have occurred two fire accidents. Subway station hall at that time filled with smoke, no one across the street. The four patients in this group were all staff of this station (electricians and passenger transport workers), 3 female and 1 male, aged from 27 to 48 years old, and were generally healthy. After participating in on-site firefighting inhalation smoke for 20 minutes to 4 hours ) Dizziness, chest tightness, shortness of breath, choke