Clipped to a fingertip, a pulse oximeter uses light beams to analyze your heart rate and the amount of oxygen being carried in your bloodstream. Normal levels in otherwise-healthy adults range between ...

In a suit filed against CVS, Walgreens, GE Healthcare and many other medical technology companies and sellers of pulse oximeters – devices that use light to measure oxygen saturation in the blood – ...

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 these ...