Image: S hutterstock Pulse oximetry is a non-invasive and painless test that measures a person’s oxygen saturation level. It can rapidly detect even the small changes in how efficiently oxygen is ...

Turn on the pulse oximeter and place it on your fingertip, ideally the middle or index finger. Sit still and avoid moving while the device reads your oxygen levels and heart rate.

Fingertip Pulse Oximeter – Quick Intro! A Fingertip pulse oximeter is a portable electronic device that has become common everyday medical equipment. After a few seconds of being applied to a finger, ...

For example, if your oxygen saturation is 96% according to a pulse oximeter, then it is anywhere between 94% and 98%. And some factors may affect the actual reading too.

Months later, pulse oximeters are easier to procure -- they're in stock at some stores, and there are still some decent deals to be found. Whether or not you actually need one is a different story.

Pulse oximeter (also called pulse ox) is a non-invasive device that calculates the amount of oxygen in the blood. It is a small device that looks like a clip. You have to press the clip, place ...

But if a pulse oximeter inaccurately shows a patient’s blood oxygen reading to be much higher than 88% “there may be a delay in potentially life-saving treatment, which could result in ...