Respiratory alkalosis

Etiology

Pulmonary disease

  • Interstitial lung disease
  • Pneumonia
  • Pulmonary embolism
  • Pulmonary edema
Nonpulmonary causes of hypoxia
  • Hypotension
  • Severe anemia
  • High altitude
CNS-mediated disorders
  • Anxiety-hyperventilation syndrome
  • CNS lesion
  • Sepsis, trauma
  • Pharmacologic or hormonal: salicylates, nicotine, caffeine, pregnancy
  • Hepatic failure
  • Recovery from metabolic acidosis
  • Heat exposure
Mechanical overventilation

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