Pulse oximetry is a noninvasive, painless test that measures the oxygen saturation level of your blood. Here’s how it works ...
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 ...
Many children with medical conditions, especially respiratory conditions such as asthma, use a consumer-grade pulse oximeter at home.