Review on Pulse oximeter on a finger Fingertip Pulse Oximeter LK87 measurement of oxygen and pulse. by Anastazja Zawadzka ᠌

strips beating the heart rate next to the saturation numbers, the pulse is green, oxygen is red, usually people are used to it the other way around and everything would be fine! but . the signatures where something is so small that it’s hard for people with poor eyesight (elderly) to consider and understand