CCC Critical Care compendium 340

Anion Gap

OVERVIEW Anion Gap = Na+ – (Cl- + HCO3-) The Anion Gap (AG) is a derived variable primarily used for the evaluation of metabolic acidosis to determine the presence of unmeasured anions The normal anion gap depends on serum phosphate…
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76 year old male living alone. Found obtunded at home by neighbours. Breathing rapidly and muttering incoherently. No other history available. CATMUDPILES?