Respiratory acidosis

Etiology

Etiology

Etiology

  • Chronic obstructive lung disease or airway obstruction
  • CNS depression: opioids, O2 in CO2 retainer
  • Neuromuscular, eg, Guillain-Barré, myasthenia gravis, botulism
  • Structural disorder of the thorax
  • Myxedema

See related DDx

See related DDx

See related DDx

  • Respiratory alkalosis
  • Metabolic acidosis, increased anion gap
  • Metabolic acidosis, normal anion gap
  • Decreased anion gap
  • Metabolic alkalosis

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