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近年来,血氧计已被广泛应用于实验室和临床。但其精确性尚受一些因素的影响,我们对22例慢性呼吸衰竭患者和7例接受运动试验检查的低氧血症患者比较研究了
In recent years, oximeter has been widely used in laboratory and clinical. However, its accuracy is still affected by a number of factors. We compared 22 patients with chronic respiratory failure and 7 patients with hypoxemia undergoing exercise tests