These devices measure blood oxygen levels and can help identify when patients are dangerously ill.
— claim that their own versions of the devices provide accurate results that do, in fact, take skin tone into account.article, the CEO of Masimo Corp. suggested several hypotheses might account for the disparity between the results in that study and their own internal research, including sickle cell disease and circulatory problems, which disproportionately affect Black people.
"If you insert your finger in this groove, the LED at the top is sending light through your finger," says Jakachira. The device can then calculate a patient's oxygenation by figuring out how much of the light was absorbed by hemoglobin in the blood., a professor of electrical and computer engineering, biomedical engineering, and mechanical engineering at Brown University."It's assuming that the only absorber of the light energy is the hemoglobin.
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