Months later, pulse oximeters are easier to procure -- they're in stock at some stores, and there are still some decent deals to be found. Whether or not you actually need one is a different story.

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.

Ayesha Rascoe speaks to Dr. Ashraf Fawzy about a study that shows how inaccurate measurements by pulse oximeters lead to delays in COVID treatment for people of color.

A pulse oximeter is a small medical device that measures heart rate and blood oxygen saturation. It's usually clipped to your finger, but it can also attach to your ear, nose, toe or forehead.

Before the coronavirus pandemic, most Americans had heard about pulse oximeters only via TV shows where EMTs shout out a patient’s “pulse ox” — or measure of oxygen in the blood. But when ...

Your pulse oximeter will give you a numerical reading — a percentage that indicates the level of oxygen saturation in your blood. If you’ve been to a doctor in the past 20 years, you’ve ...

The primary function of a pulse oximeter is to gather health data and notify you of any unusual readings. A normal blood oxygen saturation rate is around 95% with slight variations.

Studies of Medtronic’s Nellcor pulse oximeters found that they reported blood oxygen levels that were within 2% of participants’ drawn-blood oxygen levels – regardless of skin color, Dr. Sam ...

Pulse oximetry can estimate the levels of oxygen in your blood. Find out how a pulse oximetry test works, what it's used for, and what the readings mean.