Know about Pulse Oximeter, How it works and Factors affecting
The pulse oximeter, which is used for evaluating the oxygen status of patients in a variety of clinical settings, has become an house-hold instrument in this COVID-19 pandemic. It is a way to measure how much oxygen is carrying in blood by using a small device called a pulse oximeter, blood oxygen level can be checked without needing to be stuck with a needle. The blood oxygen level measured with an oximeter is called your oxygen saturation level. This is a percentage of how much oxygen your blood is carrying compared to the maximum it is capable of carrying.