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Student Editorials

Emergency oxygen for adults

BMJ 2009; 338 doi: https://doi.org/10.1136/sbmj.090388 (Published 01 March 2009) Cite this as: BMJ 2009;338:090388
  1. R M Leach, consultant physician1,
  2. A C Davidson, director2
  1. 1Department of Respiratory and Critical Care Medicine, Guy's and St Thomas' NHS Foundation Trust, London SE1 7EH
  2. 2Lane Fox Respiratory Unit, Guy's and St Thomas' Hospital NHS Foundation Trust

Implementing new acute oxygen guidlines in the UK will require education, resources, and a change in culture, say R M Leach and A C Davidson

Oxygen is often given by medical, nursing, and paramedical staff in community and hospital settings.12 However, this treatment is commonly neither prescribed nor targeted to a specific saturation. As with any treatment, indications and potential contraindications exist, and complications may occur. In acute emergencies high flow oxygen can save lives by preventing severe hypoxaemia. However, excessive oxygen can cause harm, and inadequate supervision of its use has been reported in both prehospital and hospital audits.34 To resolve some of these problems, the British Thoracic Society recently published guidelines on the use of emergency oxygen in adults.1

Strong opinions

Despite the importance of oxygen uptake, transport, and delivery to the tissues, the physiology and pathophysiology of impaired oxygen delivery is surprisingly poorly understood by many emergency caregivers. Furthermore, the role of oxygen therapy is an area of medicine where strong opinions exist, despite there being relatively few randomised controlled trials. The resulting controversy has also led to different practices in different settings.

Conflicting advice is often given to health professionals during training, which can result in confusion. For example, many …

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