A normal level of oxygen is usually95% or higher. Some people with chronic lung disease or sleep apnea can have normal levels around 90%. The “SpO2” reading on a pulse oximeter shows the percentage of oxygen in someone's blood. If your home SpO2 reading is lower than 95%, call your...
Your healthcare provider may recommend you use a pulse oximeter (pulse ox). A pulse ox is a device that measures the percentage of oxygen in your blood. You may be given a percentage target for when you are at rest and another target for activity. Your provider may want you to keep a...