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What does a Pulse Oximeter Do? and Do you need one?
by Mark Beaton April 9, 2020

A Finger Tip Pulse Oximeter like the one sold on the BIOS Medical website measures blood oxygen saturation or SpO2. The device uses two frequencies of light (red and infrared) to determine the % of hemoglobin in the blood.

Posted in Chronic Obstructive Pulmonary Disease COPD, Coronavirus, Covid-19, Pneumonia, Pulse Oximeter

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