What is SpO2?

SpO2 is a measurement for oxygen saturation. Oxygen saturation is how much oxygen your blood is carrying as a percentage of how much it could carry.  It is an easy measure of how well oxygen is being sent to parts of your body furthest from your heart, such as the arms, legs, or fingers. The healthy range for SpO2 is between 96% and 99%. Your SpO2 measurement is shown after your pulse oximeter finishes a reading. 

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