The racial bias in pulse oximeters | Boing Boing

Pulse oximeters are little devices you clip on your finger, which shoot light into your skin to measure the percentage of oxygen in your blood.They’re crucial tools for doctors and patients in many situations, but most notably right now in treating COVID-19 — because it’s critical to comprehend how well lungs are getting oxygen into the blood.
But a new study documents a racial issue: Pulse oximeters don’t work as well with Black patients as with white ones. In a letter to the New England Journal of Medicine, a trio of doctors described how they analyzed data from both Black and white patients, in which oxygen levels were …

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