https://www.selleckchem.com/pr....oducts/sar131675.htm
Perioperative pulse oximetry hemoglobin saturation (SpO2) measurement is associated with fewer desaturation and hypoxia episodes. However, the sigmoidal nature of oxygen-hemoglobin dissociation limits the accuracy of estimation of the partial pressure of oxygen (PaO2) 80 mm Hg and correspondingly limits the ability to identify when PaO2 80 mm Hg but falling. We hypothesized that a proxy measurement for oxygen saturation (Oxygen Reserve Index [ORI]) derived from multiwavelength pulse oximetry may allow additional warning time b
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