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 ...
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Pulse oximeter performance varies by skin pigment

The differences, or bias, between estimates of blood oxygen saturation levels as measured with pulse oximeters compared to the gold-standard method of measuring oxygen saturation in arterial blood ...
Oregonian

Experts say new FDA guidance may not go far enough to address pulse oximeters’ racial bias

The patient was in his 60s, an African American man with emphysema. The oximeter placed on his fingertip registered well above the 88% blood oxygen saturation level that signals an urgent risk of ...
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 ...