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pH (Acidemia <7.35 (PaCO2 > 45 (Respiratory Acidosis (Expected…
pH
Acidemia <7.35
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PaCO2 normal
Metabolic Acidosis
AG = Na - (Cl + HCO3) (Corrected for Albumin: every change in albumin by 1g/dL = change in AG by 2.5)
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AG normal
Diarrhea, Fistulas, NS infusion, RTAs
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Delta/Delta: Comparing change in AG and change in HCO3. Easiest way to calculate: Calc HCO3 = (AG-12) + HCO3. If Calc HCO3 >24 = also met alk. If Calc HCO3 < 24 = also Non-ag met acid
Alkalemia >7.45
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PaCO2 normal
Metabolic Alkalosis
NG suction, Vomiting, Diuretics, Hyperaldosterone, Dehydration
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