One of the first common screening tests used to determine if a patient is suffering from sleep apnea is done in bed using a blood oxygen sensor attached to one of your fingers. This “Overnight Oximetry on Room Air” records your pulse and blood oxygen saturation level throughout the night. The automated data analysis subsequently reports how many times your blood oxygen saturation level fell below certain levels. It is an easy and convenient test to take, and the advantage is that you get to ...


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