Respiratory Emergency Medicine Anaesthesia / Critical Care Standard clinical practice
A-a Oxygen Gradient
Calculates the alveolar-arterial oxygen gradient to assess for V/Q mismatch and diffusion defects.
References
- Stapczynski JS. Respiratory distress. In: Tintinalli JE (ed). Emergency Medicine. 8th ed. McGraw-Hill.
Related
Curated clinical cross-links plus same-class fallbacks.
Drugs
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.