Respiratory Emergency Medicine Strong — BTS/SIGN Guideline
PEFR % Predicted
Calculates peak expiratory flow rate as percentage of predicted to classify asthma severity.
References
- BTS/SIGN British Guideline on the Management of Asthma. 2019 (Updated 2022).
Related
Curated clinical cross-links plus same-class fallbacks.
Calculators
Drugs
- Salbutamol (Paediatric — Asthma/Wheeze) · Short-Acting Beta-2 Agonist (SABA)
- Prednisolone (Paediatric) · Corticosteroid — Asthma Exacerbation / Croup / Nephrotic Syndrome / IBD
- Tezepelumab (CRSwNP / Severe Asthma) · Anti-TSLP (Thymic Stromal Lymphopoietin) Monoclonal Antibody
- Montelukast (Paediatric) · Leukotriene Receptor Antagonist — Asthma Prophylaxis / Allergic Rhinitis
- Magnesium Sulphate IV (Acute Asthma) · Bronchodilator / Smooth muscle relaxant
- Dupilumab (Moderate-Severe Asthma) · Anti-IL-4/IL-13 receptor alpha monoclonal antibody (type 2 inflammation biologic)
Pathways
- Acute Asthma in Adults · BTS/SIGN British Guideline on Asthma 2019; NICE NG80
- Pulmonary Embolism Assessment · NICE NG158; ESC 2019 PE Guidelines
- COPD Exacerbation Management · NICE NG115 / GOLD 2024
- Community-Acquired Pneumonia (CURB-65) · BTS 2009 / NICE NG138
- Acute Pulmonary Embolism · BTS 2003 / ESC 2019
- Pleural Effusion Assessment · BTS 2010
Decision support only — verify against MDCalc, NICE, or your local guideline before clinical use.