昏厥或称晕厥是一时性大脑供血不足或供氧不足所引起的突发而短暂的意识丧失。高原心脏病性昏厥属心源性昏厥,国内很少报道。我院在喀喇昆仑山和西藏阿里地区收治131例高原心脏病中10例发生过昏厥,兹报告如下:一、一般情况均汉族男性,年龄19～23岁。发病地区海拔高度:4 500米1例,5 000～5 400米9例。居住发病地区时间:10个月～1年7例,～2年3例。1例休息时发生昏厥,9例在操课训练和劳动中发生昏厥。3例昏厥发作1次即下送海拔3700米以下地区,70例连续发作2～11次不等。首次发生昏厥后最短3天下送,最长60天下 Syncope or syncope is a transient loss of consciousness caused by transient brain insufficiency or inadequate oxygen supply. Plateau cardiac faint syncope is a cardiac syncope, rarely reported in China. Our hospital in the Karakorum Mountains and Ali area in Tibet 131 cases of heart disease in 10 cases occurred syncope, it is reported as follows: First, the general situation are Han men, aged 19 to 23 years old. Incidence of altitude: 4 500 m 1 case, 5 000 ~ 5 400 m 9 cases. Living incidence area time: 10 months to 1 year in 7 cases, ~ 2 years in 3 cases. One patient had fainting during rest and nine patients had fainting during workout training and work. 3 cases of syncope episodes sent to 3700 meters below sea level area, 70 cases of continuous episodes of 2 to 11 times. The first occurrence of syncope after the shortest three days to send, the longest 60 days