However, it's important to talk to your healthcare provider about how to use a pulse oximeter correctly and how to interpret your results correctly to ensure you're getting accurate information.

Finger pulse oximeters allow people to read oxygen levels in the blood. Learn how to choose a finger pulse oximeter and what some of the best options are here.

Over-the-counter (OTC) pulse oximeters: The FDA does not review these products, and they do not require a prescription. People can buy them for home use at drugstores or online.

FDA 's official website provided a simple guide on how to use a pulse oximeter: The first thing you need to do is make sure that you are not wearing your jewelry (earrings, rings, bracelets, etc.).

How to buy the Correct Oximeter? Dr Chinnadurai R., Lead Consultant – Critical Care, Aster RV Hospital suggests tips on how to use the oximeter properly and what to look before buying it.

Every time you visit a doctor, you will notice that they will put their fingertips on your wrist and seem to check something. In medical terms, it is known as reading the pulse. Examining the ...

Image: S hutterstock A pulse oximeter measures blood oxygen saturation and heart rate by shining a light through the skin and detecting both the colour and movement of your blood cells. Blood cells ...

Keep the pulse oximeter on your finger for at least a minute, till the reading stabilises. Record the highest reading that flashes on the oximeter after it has established after 5 seconds.

A pulse oximeter provides a quick read on the saturation of oxygen in your blood. Some doctors believe it is a helpful device to have at home during the coronavirus pandemic. Others aren't so sure.