![]() 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.McKnight, MD, MS, a family medicine physician and clinical assistant professor at Texas A&M College of Medicine. ![]() This article was medically reviewed by Jason R.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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