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关于机乘工作对火车司机血压与心电图的影响,国内外研究甚多。但对人体窦房结(SN)功能的影响,目前尚未见报道。非叠加体表窦方结电图的研究成功,为研究机乘人员窦房结及窦房之间传导功能等提供了简便、有效的手段,本文就此进行探讨。对象和方法在南京铁路分局随机选取男性十年工龄以
About the impact of machine ride on train driver blood pressure and electrocardiogram, there are many studies at home and abroad. However, the effect on human sinoatrial node (SN) function has not been reported yet. The study of non-superimposed body surface Sinusogram is a simple and effective method to study the conduction function between the sinoatrial node and the sinoaman. Subjects and Methods Male Nanjing ten-year service years were randomly selected in Nanjing Railway Branch