Asthma Management

Functional Assessment

• Peak Expiratory Flow Rate (PEFR)
  
  • Approximately 40-69%
• Pulse Oximetry on room air
  • 90-95%
• PaO₂ (on air) 
  • >60mmHg (not usually tested)
• PCO₂ 
  • <42mmHg (not usually tested)[4]