A CO2 blood test measures the amount of carbon dioxide (CO2) in the blood serum, which is the liquid part of blood. It’s typically used to screen for kidney, respiratory, or metabolic disorders. You ...

Hypercapnia, also called hypercarbia, arises from having too much carbon dioxide in the blood. It typically happens with hypoxia, which is when there is not enough oxygen in the body. This article ...

Respiratory failure is a condition in which your lungs have a hard time loading your blood with oxygen or removing carbon dioxide. "Respiratory failure represents the respiratory system's inability to ...

The blood in your body delivers oxygen to all of your cells. When you breathe and draw fresh oxygen into your lungs, red blood cells bind with the oxygen and carry it through your bloodstream. On a ...

When you have low blood oxygen levels, you can experience shortness of breath and confusion. Hypoxemia is a serious health condition that requires urgent medical care. Hypoxemia is when you have low ...

In acute respiratory failure, the usual exchange between oxygen and carbon dioxide (CO2) in the lungs does not occur. As a result, the heart, brain, and other organs cannot get enough oxygen. A person ...

SCIENTISTS have developed a way of assessing the ability of red blood cells to deliver oxygen by measuring their shape. This test could improve specialist transplant and transfusion practice as well ...

A new sensor could soon allow hospital patients' blood oxygen levels to be checked via their breath. The technology is claimed to be more reliable and less painful than existing traditional methods.