Arterial blood gas A test which analyses arterial blood for oxygen, carbon dioxide and bicarbonate content in addition to blood pH. Used to test the effectiveness of respiration.
Arterial blood gases. A test where blood is drawn and measured for oxygen content. The ABG tells the physician whether or not the patient is getting enough oxygen into the bloodstream. An ABG is frequently used for cases of asthma, COPD, or chest trauma.
Arterial, blood gases. Blood taken from the artery to measure oxygen absorbed in the body.