Pulse oximeters under the microscope: mayo clinic tests accuracy across skin tones
NCT ID NCT06925646
First seen Nov 06, 2025 · Last updated May 14, 2026 · Updated 28 times
Summary
This study aims to see how well pulse oximeters measure oxygen levels compared to the gold standard—blood samples. Researchers will enroll 20 healthy adults, including people with dark skin, to check if skin tone affects accuracy. Participants will breathe different oxygen mixtures while their oxygen levels are measured by both a pulse oximeter and an arterial blood test.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Mayo Clinic Department of Anesthesiology
Rochester, Minnesota, 55902, United States
Conditions
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