![]() "Unless you have a chronic heart or lung condition that affects your oxygen saturation on a regular basis, most individuals don't need one in their home," says Albert Rizzo, MD, Chief Medical Officer for the American Lung Association. Essentially, this percentage is a calculation of how much oxygen is in the blood, with 100% being 'fully saturated' and the optimal level.Īnd while this simple non-invasive medical tool is available over the counter in many pharmacies, it's not necessary for most people. What does a pulse oximeter measure?Ī pulse oximeter measures the oxygen saturation of your blood. Here's what you need to know about what exactly a pulse oximeter measures, how it works, and how you can use it properly. ![]() Pulse oximeters can be used to gauge warning signs for chronic lung or heart conditions, and may help determine whether you should seek medical attention for the coronavirus. Pulse oximetry is a quick and easy way to determine how well oxygen is being sent from the heart and lungs out to the furthest parts of the body, which can help determine if your heart and lungs are functioning properly. Visit Insider's Health Reference library for more advice.Ī pulse oximeter is a small device that typically clips on to your finger, toe, or earlobe to measure oxygen levels in the blood.To use a pulse oximeter, you'll clip the device on your toe, finger, or earlobe - here's to use it properly so you can get an accurate reading.Pulse oximetry is useful for people with chronic lung or heart conditions, who need to monitor how well oxygen is being sent from the heart and lungs out to the furthest parts of the body.A pulse oximeter is a small device that can measure the oxygen saturation in your blood. ![]()
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