Blood gas analysis (AGD) or arterial blood gas (ABG) tests are blood tests taken through arteries to measure the levels of oxygen, carbon dioxide, and the level of acid base (pH) in the blood. Blood gas analysis is generally done to check the function of the pulmonary organs into which red blood cells carry oxygen and carbon dioxide from and throughout the body. Sorry, Page was move to here , please visit the link to read full article. Thanks you.