What are the two numbers on a pulse oximeter?

The pandemic has caused an increase in the use of pulse oximeters, with some wondering about the two numbers on oximeters.

Some people have low blood oxygen levels, even when they feel fine. Low oxygen levels can be an early warning sign that medical attention is needed.

The US Food and Drug Administration (FDA) advises patients and health care providers that while pulse oximetry is useful in estimating blood oxygen levels, oximeters Pulse rates have limitations and a risk of inaccuracy in certain circumstances that must be considered.

Patients managing their health at home should pay attention to all signs and symptoms of their condition and report any concerns to their health care provider.

What are the 2 values in pulse oximeter?

A pulse oximeter measures how much oxygen is in someone’s blood. A pulse oximeter reading will have 2 numbers, the pulse rate (or heart rate) and the “SpO2” or percentage of oxygen in the blood.

Medical providers consider the level of oxygen to be an important sign of how well a body is functioning, much like a person’s blood pressure or body temperature.

People who have a lung or heart condition can use a pulse oximeter at home to check how they are doing, as directed by their health care provider. People can buy pulse oximeters without a prescription at some pharmacies and stores.

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