DETROIT – If you or a loved one has had a case of COVID-19, you may be familiar with the Pulse Ox device to check how much oxygen you have in your blood. It’s often the first clue that a COVID patient ...

A portable device used to detect blood oxygen levels revolutionized the medical field 50 years ago and is now receiving essential updates Efforts to improve the accuracy of pulse oximetry readings for ...

Medical assistant Evelyn Rivas removes a pulse oximeter from patient Ja-Mey Scott's index finger at Roots Community Health Center in Oakland recently. (Corinne Purtill/Los Angeles Times) Roots ...