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.

Climate change is extending far beyond the threat of melting polar ice caps -- it's putting a dangerous stranglehold on life in oceans, too. A new study published in the science journal Nature ...

Mechanical ventilation can contribute to lung damage by inducing rapid changes in oxygen levels. Researchers at the Medical University of Vienna are now conducting studies for the first time into the ...

People with heart failure often need a test called right heart catheterization, where a tube is inserted into the heart to ...

A new study suggests the world's oxygen-depleted seas may have a chance of returning to higher oxygen concentrations in the ...

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 ...

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 ...