Black People Are 3 Times More Likely To Experience Pulse Oximeter Errors
During the COVID-19 pandemic, many people have purchased small devices called pulse oximeters for use in their home – based on well-intentioned recommendations from health care providers and the media. Pulse oximeters are devices, usually placed on a person’s finger, used to noninvasively measure oxygen levels in the blood. Clinics and hospitals, for example, use them regularly to screen newborns for heart defects after birth.
Yet pulse oximeter measurements are imperfect, particularly for Black patients. Our recent paper demonstrated that Black patients were three times more likely than white patients to have low oxygen levels that were missed by pulse oximeters. That could translate into as many as 1 in 10 inaccurate readings among Blacks.
We are ICU physicians and internists with expe...