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胃镜检查中出现心脏意外的一个重要原因是检查时合并低氧血症 ,特别是原有心脏病、慢性肺部疾病及老年患者。我们对６０例受检者胃镜检查前、中、后的脉搏血氧饱和度（ＳｐＯ２）进行动态监测 ,并初步探讨连续低流量吸氧对胃镜受检者术中脉搏血氧饱和度的影响 ,现将结果报告如
An important cause of a cardiac accident in gastroscopy is the combined examination of hypoxemia, especially the original heart disease, chronic lung disease and elderly patients. We performed dynamic monitoring of pulse oxygen saturation (SpO2) before, during, and after gastroscopy in 60 subjects and initially discussed the effect of continuous low-flow oxygenation on pulse oximetry in patients undergoing endoscopy, Now report the results