gas or electricity usually boils down to measuring a repetitive pulse signal with respect to time. To make things easy, most modern utility meters have a pulsed LED output, which can be used to ...
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People with darker skin are 32% more likely to have pulse oximeter readings overestimate oxygen levels, report saysFor each person, the data included a pulse oximeter reading and a blood gas oxygen saturation result from blood drawn directly from the patient, taken within five minutes of each other. The ...
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