A pulse oximeter is a handy medical device that uses two frequencies of light – red and infrared – to determine the percentage of hemoglobin in the blood that is saturated with oxygen, otherwise known as your oxygen saturation level (O2 sat level).[1] If you have ever been in a doctor’s office and heard your […]
View Article- Leader, “Understanding Oxygen Saturation.” Verywell Health, About, Inc., 7 May 2020, www.verywellhealth.com/oxygen-saturation-914796.