Why it s a problem that pulse oximeters don t work as well on patients of color | MIT News mit.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from mit.edu Daily Mail and Mail on Sunday newspapers.
For most patients, a pulse oximeter is a familiar device from visits to the doctor's office. Placed on a finger or a patient's ear lobe, pulse oximeters are an easy way to quickly get a measure of someone's oxygen saturation (SpO2), which should generally be above 90 percent.