Tag: Pulse Oximeter

Normal oxygen saturation: blood oxygen levels in adults and children

Which oxygen saturation values are considered normal in an adult and a child, how to read pulse oximeter readings, and when the numbers on the screen require a doctor.

Oxygen Saturation: What It Is and What a Pulse Oximeter Shows

Oxygen saturation shows how much oxygen the blood carries. We explain how a pulse oximeter works, what each number on the screen means, and when a doctor is needed.