Asthma Management

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Severe Asthma Exacerbation

Functional Assessment

  • Peak Expiratory Flow Rate (PEFR)
      • <40%
    • Pulse Oximetry on room air
      • <90%
    • PaO2 (on air) 
      • < 60mmHg (Cyanosis may be apparent)
    • PCO2 
      • >42mmHg (Patient may have respiratory failure)[4]
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