1988～1989年我们对乘车快速(5d)进驻喀喇昆仑山(海拔5200m)第3天和在该地连续居住1年的同一人群共37名青年做了两次心阻抗图测定。受试者均为汉族男性,生于平原, 平均年龄19.5岁,进驻高原前10d于海拔1400m驻地进行体检、X线胸透和心电图检查以除外心肺疾患,同时做心阻抗图测定作为对照。 From 1988 to 1989, we performed two cardiac impedance measurements on 37 young people in the same population who traveled fast (5d) on the third day of the Karakorum Mountains (5200m above sea level) and for one year in a row. Subjects were Han men, was born in the plain, average age 19.5 years old, 10 d before entering the plateau at an altitude of 1400m resident for physical examination, X-ray and ECG examination to exclude heart and lung disease, heart rate determination at the same time as a control plot.