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 ...
The mixed venous carbon dioxide tension (PVCO2) can be measured at the bedside by a rebreathing equilibrium technique that is quick, simple and noninvasive. Only one brief period of rebreathing is ...