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.

Pulse oximeters routinely overestimated levels of oxygen in the blood in darker-skinned Covid patients, leading to delays in treatment and hospital readmissions, according to a research article ...

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 ...

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 ...

(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 ...

Manufacturers of pulse oximeters continue to stand by their accuracy, despite mounting evidence that the devices produce flawed readings in non-white patients. It’s been known for decades that the ...