Respiratory Anaesthesia / Critical Care Emergency Medicine Strong — core component of Berlin ARDS definition (2012)
PaO₂/FiO₂ Ratio (P/F Ratio)
Calculates the ratio of arterial oxygen tension to inspired oxygen fraction. Used to classify severity of hypoxaemic respiratory failure and diagnose ARDS per Berlin criteria.
References
- ARDS Definition Task Force. Acute respiratory distress syndrome: The Berlin Definition. JAMA. 2012;307(23):2526–2533.
Related
Curated clinical cross-links plus same-class fallbacks.
Calculators
Drugs
Pathways
- Acute Asthma in Adults · BTS/SIGN British Guideline on Asthma 2019; NICE NG80
- Pulmonary Embolism Assessment · NICE NG158; ESC 2019 PE Guidelines
- Acute Exacerbation of COPD (AECOPD) · NICE NG115; GOLD 2024
- Spontaneous Pneumothorax (Adult) · BTS Pleural Disease 2023
- Atypical Pneumonia (Legionella / Mycoplasma / Chlamydophila) · BTS 2023; IDSA
- COPD Exacerbation Management · NICE NG115 / GOLD 2024
Decision support only — verify against MDCalc, NICE, or your local guideline before clinical use.