What is Oximeter ? How does it work ?
What is Oximeter ? Today (during Covid-19 Pandemic) Pulse Oximeter is a common term. It is an essential medical instrument like thermometer or sphignomanometer (blood pressure measuring instrument). It is a non-invasive diagonastic device to measure Oxygen saturation in patient’s arterial blood (SpO2) . It is fixed on the finger tip or earlobe. Who invented …