University of Washington: A smartphone’s camera and flash could help people measure blood oxygen levels at home

University of Washington: A smartphone’s camera and flash could help people measure blood oxygen levels at home. “In a proof-of-principle study, University of Washington and University of California San Diego researchers have shown that smartphones are capable of detecting blood oxygen saturation levels down to 70%. This is the lowest value that pulse oximeters should be able to measure, as recommended by the U.S. Food and Drug Administration. The technique involves participants placing their finger over the camera and flash of a smartphone, which uses a deep-learning algorithm to decipher the blood oxygen levels.”

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