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Electrolyte Abnormalities

Metabolic Alkalosis



  • Causes of Metabolic Alkalosis

  • Bicarbonate excess - milk alkali syndrome (antacids), massive transfusion, dialysis
  • GI acid loss - vomiting, NG aspirates, gastric fistula
  • Renal acid loss - diuretics, hyperaldosteronism, Cushing's, steroids
  • Compartmental shift - hypokalaemia


  • Blood Gas Findings

  • Alkalaemia with raised bicarbonate.
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