Pulse oximeter readings4/30/2023 ![]() ![]() In some cases, your provider may prescribe one for at-home use. They’re typically used in settings like healthcare providers’ offices and hospitals. Prescription pulse oximeters: These are tested for accuracy and reviewed by the FDA. There’s a big difference between a prescription device and one that you can purchase over the counter (OTC): But not all pulse oximeters are created equal. You can order a pulse oximeter online or pick one up at the pharmacy. That's because low oxygen is a serious symptom of many lung diseases, and it's often a sign that you need medical attention. ![]() This helpful tool gained popularity during the COVID pandemic, but it has always been useful for people with chronic breathing problems. What is a pulse oximeter?Ī pulse oximeter is a small device that clips to your finger or earlobe and measures the amount of oxygen saturation in your red blood cells (called SpO2). ![]() Here, we’ll cover how to use a pulse oximeter, how to interpret results, and when to see your healthcare provider. What’s more, a recent report suggests that your reading may not be as accurate if you have darker skin, too. According to the FDA, there are a number of factors that can affect accuracy, including poor circulation, skin thickness, smoking, and even fingernail polish. A pulse oximeter measures the amount of oxygen in your blood and alerts you if your levels drop below what’s considered normal.īut pulse oximeters aren’t always accurate. If you have COVID-19 or other lung conditions like asthma or chronic obstructive pulmonary disease (COPD), your healthcare provider may recommend that you monitor your oxygen levels at home with a pulse oximeter. ![]()
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