Blood oxygen levels measure the amount of oxygen circulating in the blood. The normal range for blood oxygen levels on an arterial blood gas (ABG) test is between 75 and 100 millimeters of mercury (mm Hg). On a pulse oximeter, a healthy range is typically between 95% and 100%. What Does a Low Blood Oxygen Level Indicate? A blood oxygen level below 60 mm Hg or 95% on a pulse oximeter is considered low. Low levels may indicate hypoxemia, a condition where the body struggles to deliver oxygen to its cells, tissues, and organs. Symptoms of low blood oxygen include shortness of breath, dizziness, confusion, and chest pain. How is Blood Oxygen Measured? Blood oxygen levels can be measured using two methods: ABG Test : This involves taking a blood sample from an artery and is very accurate but slightly painful. Pulse Oximetry : A non-invasive method using a small clip on a finger, ear, or toe. It measures blood oxygen indirectly by light absorption through a person’s pulse. However, results c...
Health, Wealth, Diet, Medical & Fitness: Your Ultimate Guide to a Better Life
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