Blood oxygen saturation

Blood oxygen saturation (SaO2) is the percentage of the capacity of oxygen-bound oxygenated hemoglobin (HbO2) in the blood to the total bindable hemoglobin (Hb, hemoglobin) capacity, that is, the concentration of blood oxygen in the blood, which is the respiratory cycle Important physiological parameters. The functional oxygen saturation is the ratio of the concentration of HbO2 to the concentration of HbO2 + Hb, which is different from the percentage of oxygenated hemoglobin.

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