A pulse oximeter measures your blood oxygen levels and pulse. A low level of oxygen saturation may occur if you have certain health conditions. Your skin tone may also affect your reading. Pulse ...

Pulse oximetry equipment is largely calibrated using adult patients. This study represents a comprehensive attempt to gain information on the accuracy of pulse oximetry devices in infants and children ...

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Oxygen is among the most frequently administered medical therapies, with a level that is commonly adjusted according to the reading on a pulse oximeter that measures patients’ oxygen saturation.

Starting January 18, Apple will sell the Apple Watch Series 9 and Apple Watch Ultra 2 with pulse oximetry disabled in software. Here's how to tell if an Apple Watch has pulse oximetry or doesn't.