Hypoxia

Type I respiratory failure – hypoxia:

  • CHF: Fluid overload – needs diuresis. Hypoxia improves when fluid in lungs in removed.
    • May require CPAP for oxygenation.
  • COPD exacerbation: May be accompanied with hypercapnia too. Order ABG to assess CO2 level.
    • May need BiPAP.
  • Infectious etiologies: PNA – hypoxia improves with infection improving.
  • Pleural effusion
  • Atelectasis: Encouraged incentive spirometry.

Other causes – consider:

  • OSA: Order unattended sleep study – will report API (apnea hypoxia index). Patient will need a formal outpatient sleep study to fully assess for OSA. Patient may need CPAP. Encourage weight loss.
  • Pulmonary HTN: Consider in young patient with hypoxia.
    • Order Echo to assess.

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