ABG Basics PART 2: Interpretation Step 0: Know your values! (covered in part 1) ABA and BAB is a quick way to remember which values are acidic vs. basic. To interpret an ABG ask yourself: 1. Is the pH acidic or basic? 2. Is the CO₂ high or low? 3. Is the bicarb high or low? 4. Determine if it’s respiratory or metabolic in nature using the tic-tac-toe method: * If pH and CO₂ are in the same column → it’s respiratory * If pH and bicarb are in the same column → it’s metabolic 5. Determine if it’s u

This Trick Makes Understanding Blood Gases SO EASY