Studies have shown pulse oximeters often can overestimate blood oxygen levels in people with dark skin, leading doctors to underestimate their disease severity and delay treatment. The inaccuracies may have contributed to the pandemic’s toll.
Inaccuracies in pulse oximeter readings for people of color may have contributed to the pandemic’s toll, and advocates say the government is struggling to respond.
The FDA warned doctors about the problem last year and is bringing together experts to discuss it later this year. An agency spokesperson said it has prioritized assuring that pulse oximeters are “sufficiently safe and accurate for all people,” but some public health advocates say the FDA is moving too slowly. A string of studies finding misreadings dates back decades, though many were small.said Uché Blackstock, an emergency medicine physician and CEO of Advancing Health Equity.
The flaws magnify concerns about bias in technology as tech becomes omnipresent in health care, as well as regulators’ ability to stop it. Experts say racial disparities could deepen if technology doesn’t work the same for everyone and warn that bias can creep into technology in a number of different ways.
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