Pulse oximetry is a technique to measure an individual’s oxygen saturation level in blood. The device that is used for this purpose is called a pulse oximeter. It is a small device that can easily be clipped to a finger and can detect the amount of oxygen in the blood. And the chart that tells us the information about the oxygen levels is called a pulse oximeter readings chart. Let us discuss what it is and how it is used in detail.
A pulse oximeter reading chart is a table, generally, of four columns and four rows that we can utilize to know about the levels of oxygen in our blood and compare it with an individual’s reading. It has the following information displayed on it.

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