![]() ![]() Your health care provider may ask you to record your readings, which you can do in a dedicated notebook or an app on your smartphone or tablet. Remove the device from your finger and store it in a safe place.Each will be clearly labeled on the device. One is your oxygen saturation level, and the other is your heart rate. Once the numbers remain steady, you have your reading. If the numbers keep fluctuating, you may need to be still for longer. Place the oximeter on the fingertip of either your index (pointer) finger or your middle finger.Find a comfortable position and rest for at least five minutes before taking a reading.Warm your hands if they are cold or cool to the touch.Remove any fingernail polish, acrylic nails, or artificial nail tips before proceeding with the following steps: Before taking an oximeter reading, make sure your fingernails are dry and clean. ![]() Read the manufacturer’s instructions carefully to see how to use your specific device and if your oximeter needs batteries. If you’re new to using a pulse oximeter, our step-by-step guide can help you learn best practices, how to read the results, and when to seek help. Oxygen levels can indicate respiratory and heart health for people with conditions like asthma or chronic obstructive pulmonary disease (COPD). “This information is essential in determining whether an individual is receiving enough oxygen, especially during activities like exercise or sleep,” he added. “The pulse oximeter emits light through the skin and measures the oxygen saturation of the arterial blood,” said Chris McDermott, an advanced practice registered nurse at Intercoastal Consulting & Life Care Planning in Jacksonville, Florida. They’re quick, painless, and can be used at home or in medical settings. Pulse oximeters are devices used to check blood oxygen levels. (2020).For people who use respiratory aids like a CPAP machine, portable oxygen concentrator, or home oxygen concentrator, regularly checking their oxygen saturation is important.
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