Keeping track of your basic vital statistics used to involve a trip to the doctor's office where you would be subjected to expensive equipment that you couldn’t hope to understand. But now, with the ...
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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