Pulse oximetry is a noninvasive, painless test that measures the oxygen saturation level of your blood. Here’s how it works ...

Toussaint, a professor in the school of engineering at Brown University who studies optical imaging, says he was familiar with pulse oximeters but hadn’t closely followed the studies over the years ...

OxiWear's ear-worn device is tailored for continuous, real-time monitoring of blood oxygen saturation and pulse rate.

Many children with medical conditions, especially respiratory conditions such as asthma, use a consumer-grade pulse oximeter at home.