Bronchial Tube Infection Chronic Testing Peak Flow
- PEFR <50% of personal best is the Red Zone. This indicates a severe attack and the need for more aggressive treatment, often requiring corticosteroids.
- PEFR 50-80% of personal best is the Yellow Zone. It indicates suboptimal control or an early attack.
- PEFR 80-100% of personal best is the Green Zone. It indicates good control.
Continue to Bronchial Tube Infection Chronic Warning Signs
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