What Is an Arterial Blood Gas Test (ABG)? An arterial blood gas (ABG) test measures oxygen and carbon dioxide levels in your blood. It also measures your body’s acid-base (pH) level, which is usually ...
Gases are exchanged across a specialized lung surface. The inhaled oxygen is diffused into the blood, and carbon dioxide from the blood is released into the lungs where it is exhaled. Gases are ...
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