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Test Findings


July 29th, 2019


A pH >7.45 is indicative of alkalaemia; this may be due to a primary metabolic or respiratory alkalosis.
  • Causes of Alkalaemia

  • Metabolic alkalosis - bicarbonate excess, GI acid loss, renal acid loss, compartmental shift
  • Respiratory alkalosis - hyperventilation
  • Interpretation

  • Elevated HCO₃ ± elevated PaCO₂ - suggests metabolic alkalosis
  • Reduced PaCO₂ ± reduced HCO₃ - suggests respiratory alkalosis
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Snapshot: Initialising...