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 ...

VOL: 97, ISSUE: 27, PAGE NO: 36 Maureen Coombs, PhD, RN, is consultant nurse, critical care, Southampton General Hospital Arterial blood gas (ABG) analysis may appear a complex and daunting task, but ...