Pulse oximeters measure the amount of light that passes through the skin as a way to estimate how much oxygen is in a patient’s red blood cells. Melanin, which absorbs light that passes through ...

The Food and Drug Administration’s recommendations apply to pulse oximeters, which are clip-on devices used in hospitals and medical clinics to ensure patients are getting enough oxygen.

If you wish to save your time and want a list of reliable pulse oximeters, you can go to our list of best pulse oximeters to keep a check on your SpO2 readings. An oximeter isn't a mainstay in ...