Blood oxygen levels refer to the amount of oxygen circulating in the blood. Normal blood oxygen levels fall between 75 and 100 millimeters of mercury (mm Hg) on arterial blood gas (ABG) test results.

First, pause and take a deep breath. When we breathe in, our lungs fill with oxygen, which is distributed to our red blood cells for transportation throughout our bodies. Our bodies need a lot of ...

Blood oxygen saturation is important to normal healthy functions in the, particularly for lung functions. Blood oxygen levels received renewed attention as an essential vital sign during the COVID-19 ...

A recent study found that a key tool for reading blood oxygen can give inaccurate readings for Black and Hispanic patients. Pulse oximeters are placed on a person’s finger and can help monitor how ...

A portable device used to detect blood oxygen levels revolutionized the medical field 50 years ago and is now receiving essential updates Efforts to improve the accuracy of pulse oximetry readings for ...