Pulse Oximeters May Overestimate Readings in People With Darker Skin Tones
Pulse oximeters may provide significantly overestimated oxygen saturation readings in people with darker skin tones, according to a study in the British Journal of Anaesthesia. Researchers assessed more than 733,000 oxygen saturation readings taken from more than 222,000 people including almost 70,000 people of non-white ethnicity in 44 studies dating from the mid-1970s to the present day. […]