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Updated: Feb 26, 2026

Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation
Published on: December 5, 2025
Guidance on oxygen use in adults
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Oxygen, a common emergency drug, was widely administered to nearly all seriously ill or breathless patients before the 2008 British Thoracic Society guideline. This highlights a shift in emergency oxygen administration protocols.
Area of Science:
- Emergency medicine
- Critical care
- Respiratory therapy
Background:
- Oxygen is a vital drug frequently used in emergency settings.
- Prior to the 2008 British Thoracic Society guideline, administration was near-universal for breathless or critically ill patients.
- This practice reflected a broad approach to managing acute respiratory distress.
Discussion:
- The widespread use of oxygen suggests a default approach in emergency care.
- The 2008 British Thoracic Society guideline marked a significant change in oxygen administration protocols.
- Understanding historical practices is crucial for evaluating current evidence-based guidelines.
Key Insights:
- Emergency departments and ambulance services historically administered oxygen broadly.
- The British Thoracic Society's 2008 guideline initiated a re-evaluation of oxygen use.
- Evidence-based guidelines have refined the application of oxygen therapy.
Outlook:
- Future research should continue to refine oxygen administration protocols.
- Optimizing oxygen therapy remains a key focus in emergency and critical care.
- Adherence to updated guidelines ensures appropriate patient care and resource utilization.
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