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.

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 ...

Doctors may recommend pulse oximeters for people with certain health conditions who need to measure their blood oxygen levels at home. These devices may be helpful for individuals of any age.

Monitoring your oxygen level with a pulse oximeter if you have COVID-19 can help determine if it falls too low. Low levels may need medical attention. COVID-19 is a respiratory infection. It can cause ...

The longstanding problem of pulse oximeters providing less-accurate readings for people with dark skin tones got another look Friday from a panel of experts for the US Food and Drug Administration.

A systematic review draws together five decades of research -- including more than 730,000 individual measurements -- to assess how a person's skin tone can influence the readings provided by some of ...

Sales of at-home pulse oximeters have exploded during the pandemic, as worried patients keep close tabs on their blood oxygen levels. But while these devices are handy, they're often less effective on ...

Amid the ongoing COVID-19 pandemic, some patients have been monitoring the level of oxygen in their blood using pulse oximeters, which can be purchased at different pharmacies and retail chains, ...

Using a pulse oximeter to measure oxygen levels is no better than just regularly asking patients with COVID-19 if they are short of breath, according to new research at the Perelman School of Medicine ...

A new study shows just how lifesaving home monitoring of oxygen levels can be. Credit...Aileen Son for The New York Times Supported by By Tara Parker-Pope When my daughter returned to school this fall ...