我院于喀喇昆仑山海拔3700m收治1391例高原性疾病中,有47例以昏厥为主要症状,现将此部分资料报告如下:1 临床资料 47例病例均为汉族,生于平原.男45例,女2例,年龄19～35岁,平均22.2岁.进入高原前经体检确认健康,既往无心律失常和昏厥史,下转平原后未再发生昏厥.发生在海拔3800～5000m16例,5070～5400m31例.43例在活动时发生,4例休息时发生.昏厥持续时间2～20min,有11 Our hospital in the Karakorum Mountains at an elevation of 3700m 1391 cases of high altitude disease, 47 cases of syncope as the main symptoms, this part of the data are reported as follows: 1 Clinical data 47 cases were Han nationality, was born in plain male 45 Cases, 2 females, aged 19 to 35 years old, average 22.2 years old before entering the plateau to confirm the health by physical examination, no previous history of arrhythmia and syncope, no recurrence of syncope after the next plain. Occurred at an altitude of 3800 ~ 5000m16 cases, 5070 ~ 5400m31 cases .43 cases occurred at the time of activity, 4 cases occurred during rest .Conclusion duration 2 ~ 20min, there are 11