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高原世居者和移居者发生窦性心动过缓(60次/ｍｉｎ以下)高达40%,提示高原长期慢性缺氧可能影响窦房结功能[1]。本文选择在平原为窦性心律正常心电图的35例健康新兵,在移居海拔3658ｍ的高原拉萨05ａ后进行了窦房结功能测定,探讨短期高原缺氧对窦房结功能的影响。1 资料和方法11
Sinus bradycardia (up to 60 beats / min) occurs up to 40% in plateau natives and migrants, suggesting long-term chronic hypoxia may affect sinus node function [1]. In this paper, we selected 35 healthy recruits in the plain electrocardiogram of sinus rhythm to study the function of sinoatrial node in Lhasa plateau at 3658m above sea level, and discuss the effect of short-term plateau anoxia on the function of the sinus node. 1 Materials and Methods 11