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统计分析我院（西宁，海拔2260m）1989～1995年间2142例心律失常心电图，其中临床诊断器质性心脏病1650例，非器质性心脏病492例。结果显示：主动性异位心律为52．24％；传导阻滞为37．53％；窦性心律失常为33．05％，而被动性异位心律及其它心律失常仅为6．02％。与平原地区资料相比较，发现2260m及以上高原地区心律失常以主动性心律失常及传导阻滞的发生显著高于宁夏地区这两种心律失常的发生（P＜0．01）。提示高原缺氧对心肌自律性、兴奋性和传导性有特殊影响，这对本地区心律失常患者给氧治疗提供了依据。
Statistical analysis of our hospital (Xining, elevation 2260m) from 1989 to 1995, 2142 cases of arrhythmia ECG, including clinical diagnosis of 1650 cases of organic heart disease, 492 cases of non-structural heart disease. The results showed that: active ectopic rhythm was 52.24%; conduction block was 37.53%; sinus arrhythmia was 33.05%, while passive ectopic and other arrhythmia was only 6.02%. Compared with the plain area data, arrhythmia and conduction block in 2260m and above plateau areas were found to be significantly higher than those in Ningxia (P <0.01). Prompted plateau hypoxia on myocardial self-discipline, excitability and conductivity have a special impact, which provides the basis for oxygen therapy in patients with arrhythmia in the region.