Shortness of breath is a well-known symptom, but it’s not always easy to detect. People started to buy pulse oximeters to measure blood oxygen levels at home when they learned that low levels could be symptoms of the pandemic. Why is there an increased interest in blood oxygen levels? Low blood oxygen levels indicate that there may be an issue with your lungs or circulation. Once in the bloodstream, oxygen helps replace cells that wear out, provides energy for our bodies, supports the way our immune system functions, and more. Oxygen enters the body through the nose and mouth and passes through the lungs into the bloodstream. “Blood oxygen level” describes the amount of oxygen you have circulating in your blood. Call a health care provider right away if you have these symptoms. You might also have low oxygen levels if you feel short of breath, are breathing faster than usual, or feel too sick to do your usual daily activities. Some people may feel very sick and have good oxygen levels, and some may feel OK but have poor oxygen levels. Your oxygen level measured by a pulse oximeter is not the only way to know how sick you are. While a pulse oximeter may help you feel some control over your health, it does not tell the whole story. If your home SpO2 reading is less than 95%, call your health care provider.Ī pulse oximeter might be a helpful tool for you to monitor your health and help know if you need medical care. Some patients with chronic lung disease or sleep apnea can have normal levels of around 90%. Your pulse oximeter will show you your oxygen level as “SpO2.” Normal oxygen levels are at least 95%. What is a normal Pulse Oximeter reading? What is a good pulse oximeter reading? Other people should contact a health care provider if they experience shortness of breath or when measured SpO2 is <95%. Supplemental oxygen or other treatments might be needed. Some patients with chronic lung disease or sleep apnea can have normal levels of around 90%.Ī medical professional should be consulted when the SpO2 reading is below the baseline, or according to the protocol of the medical center, if the patient is a resident of a long-term care facility or has been previously evaluated by a physician for concerns related to fever or chills, cough, shortness of breath or shortness of breath, muscle or body aches, stuffy or runny nose. What are normal levels, and when should I worry?
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