Healthcare providers typically check blood oxygen levels through sensors called pulse oximeters placed on the skin. These sensors can work almost anywhere, but a sensor placed on your finger is the most common method. Generally speaking,pulse oximetersare accurate, but accuracy declines as your blo...
Today’s medical experts have access to a wide variety of SpO2 monitoring tools, including finger pulse oximeters. These compact, noninvasive devices attach painlessly to the fingertip and send wavelengths of light through the finger to assess SpO2 and pulse rate. Under the guidance of their phy...
At an in-person checkup, the doctor or nurse usually puts a pulse oximeter on your finger to measure blood oxygen levels (SpO2) which can be a sign of COVID-19 as well as other respiratory issues, but you can buy your own pulse oximeter like theZacurate 500BLfor as little as $15. ...