(CNN) — 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 ...

A medical device used to detect lower levels of oxygen in a person’s blood may be less effective for people with darker skin, and this could lead to delays in treatment and hospital admissions for ...

The differences, or bias, between estimates of blood oxygen saturation levels as measured with pulse oximeters compared to the gold-standard method of measuring oxygen saturation in arterial blood ...

Pulse oximeters work by sending light beams through someone’s finger to estimate the oxygen saturation of their blood and their pulse rate. Ongoing research has found that if these devices are not ...