A free acid-base trainer. Read the gas → name the disorder → check compensation → gauge the anion gap → find the cause.
Score 0Streak 0Best 0
Step 1: Acidemia or alkalemia?
Step 2: Primary disorder?
Step 3: Compensation appropriate?
Step 4: Anion gap? (AG = Na − Cl − HCO₃, normal 8–12)
Step 5: Most likely cause?