Problems with pulse oximeters have been known for decades, but it wasn’t until the pandemic that the real dangers to Black patients became clear.

Years of research have showed that pulse oximeters yield less accurate readings for people with darker skin tones, and now the US Food and Drug Administration is proposing guidance to help make ...

A Food and Drug Administration (FDA) draft guidance would require manufacturers of pulse oximeters to gather far more clinical data to show the devices accurately work across a range of skin tones.