(CNN)-- Often when Dr. Thomas Valley sees a new patient in the intensive care unit at Michigan Medicine in Ann Arbor, he clamps a pulse oximeter on their finger -- one of the many devices he uses to ...

As an emergency medicine physician, Dr. Owais Durrani sees this issue regularly first-hand: When he clamps a pulse oximeter onto a patient's fingertip to measure their blood oxygen levels, the small ...

Normal blood oxygen level is either 95%-100% SpO2 on an oximeter or 80-100 mm Hg from an ABG test. ABG tests are more accurate than pulse oximeters, which have a ...

Finger pulse oximeters are small devices that provide a reading of oxygen levels in the blood. The device attaches to the finger and will take a reading within a few seconds. Share on Pinterest Finger ...

The pulse oximeter is currently one of the most essential medical devices. This health instrument can actually help you during the ongoing COVID-19 pandemic. In this photo illustration, a young woman ...

Often when Dr. Thomas Valley sees a new patient in the intensive care unit at Michigan Medicine in Ann Arbor, he clamps a pulse oximeter on their finger – one of the many devices he uses to gauge ...

On a person of color, the pulse oximeter could indicate a patient's oxygen levels are normal, suggesting they could be discharged home -- but then their blood samples might show low oxygen levels, ...