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Electrolyte Abnormalities

Respiratory Acidosis



Respiratory acidosis is a process by which reduced effective ventilation results in carbon dioxide retention.


  • Causes of Respiratory Acidosis

  • Hypoventilation - drugs, chronic obstructive pulmonary disease, obstructive sleep apnoea, encephalopathy, neuromuscular disease, chest wall abnormalities
  • Dead space ventilation - emphysema


  • Blood Gas Findings

  • Reduced pH (acidaemia) with increased PaCO₂.
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