Pulse oximeters use light to measure the amount of oxygen in the blood (SpO2). For most people, a normal pulse oximeter reading is between 95% and 100%, with readings below 90-92% generally considered ...
A Food and Drug Administration advisory committee met Friday to figure out ways to make pulse oximeters more accurate when doing readings on darker skin both in hospitals and at home, after research ...
Pulse oximeters routinely overestimated levels of oxygen in the blood in darker-skinned Covid patients, leading to delays in treatment and hospital readmissions, according to a research article ...
Dr. Takuo Aoyagi, a Japanese bioengineer, was the first to invent pulse oximetry in 1974. 2 The pulse oximeter is based on the light absorption characteristics of hemoglobin at different wavelengths.
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