A Pulse oximeter is a unit that screens oxygenation of blood by estimating the level of hemoglobin soaked with O2. It is joined to the finger or ear projection and measures the blood stream past a mechanized test in the meter. A sound or chart is normally shown to show each heartbeat bea...
I bought the Zacurate 500BL Fingertip Pulse Oximeter on Amazon for $15 and brought it with me to a doctor’s appointment. The doctor’s medical grade oximeter showed my SpO2 at 100 while the home device showed 97. SPo2 levels can change minute to minute or even second to second so, if...