Cohort Studyhigh evidence
Clinician behavior when skin tone affects test results.
Proceedings of the National Academy of Sciences of the United States of America·May 12, 2026·PMID 42101995
Why it mattersPulse oximetry inaccuracy in darker-skinned patients is well documented, but this paper shows that clinicians do not compensate for it, leading to systematic undertreatment of Black patients. This highlights a critical patient safety and equity issue in emergency medicine.
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