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 ...

Makers of medical devices that quickly measure oxygen levels in the blood would have to gather extra data to show that their products work for patients of color, under a new federal proposal released ...

A new study led by researchers at Yale and McGill University reveals how fluctuations in the Earth’s oxygen levels over 700 million years ago may have set the stage for the diversification of ...

SPIRIT LAKE, Iowa (KTIV) - Folks on Big Spirit Lake have been observing strange behavior in the fish there for the past few weeks because of low oxygen levels in the water. While this may sound like ...

Millions live high above sea level, a testament to human resilience. Genetic adaptations allow them to thrive where others ...

Investigation into fish deaths on Silver Lake in Manitowoc County began Jan. 26 after fishermen reported not seeing live fish ...