How a small device called a pulse oximeter measures blood oxygen levels

A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it works and how to read it.
CNN

FDA panel examines evidence that pulse oximeters may not work as well on dark skin

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 ...
Forbes

What To Know About Skin Color Bias In Pulse Oximeters As FDA Discusses Potential Changes

A Food and Drug Administration advisory committee met Friday to figure out ways to make pulse oximeters more accurate when doing readings on darker skin both in hospitals and at home, after research ...
CNN

People with darker skin are 32% more likely to have pulse oximeter readings overestimate oxygen levels, report says

Scientists have long known that pulse oximeters are less accurate when used for people with dark skin tones – and now, a new report offers some insight into just how much more inaccurate these ...