SpO2

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SpO2 is the percentage of oxygen saturation in blood, also well known as SaO2 (saturation of oxygen in arterial blood flow). It can be calculated with the Pulse oximetry according to the following formula :

S_\mathrm{p}O_\mathrm{2}=\frac{HbO_\mathrm{2}}{HbO_\mathrm{2}+Hb}

[edit] See also

Oxygen saturation