How a small device called a pulse oximeter measures blood oxygen levels

A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it works and how to read it.
Los Angeles Times

Oakland clinic gets medical device maker to disclose risk of false blood-oxygen reading

-One of healthcare’s most fundamental tools works less reliably for people with darker skin tones. - An Oakland clinic’s lawsuit is helping to change that in California. The pulse oximeter, a device ...
fox13now

FDA warns pulse oximeters may not work as well on people of color

WASHINGTON, D.C. – The Food and Drug Administration (FDA) is warning that the pulse oximeters that have become essential tools in the fight against COVID-19 may not work as well on people of color. A ...
MedPage Today

Diversity Reporting Improved in Pulse Oximetry Testing After FDA Guidance

Reports of race, ethnicity, or skin tone occurred 320 times in 12.5% of 767 FDA summary documents that discussed pulse oximeter performance testing from 1996 to 2024, reported Kadija Ferryman, PhD, of ...