Early in the pandemic, scores of Americans bought pulse oximeters to help determine how sick they were while infected with COVID-19, but new research finds the devices often miss dangerously low blood ...

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 ...

In the early days of the COVID-19 pandemic, Ashraf Fawzy remembers one patient, a Black woman with asthma, who arrived in the intensive care unit of Johns Hopkins Hospital. Despite her pulse oximeter ...

NEW YORK (AP) — The clip-on devices that use light to measure oxygen levels in the blood are getting a closer look from U.S. regulators after recent studies suggest they don’t work as well for ...