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Nil per os


 

Nil per os (NPO) is Latin for a medical instruction meaning to withhold oral food and fluids from a patient for various reasons. In the UK it is translated as Nil By Mouth (NBM).

Related Topics:
Latin - UK

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Typical reasons for NPO instructions are the prevention of aspiration pneumonia, e.g. in those who will undergo general anaesthetic, or those with weak swallowing musculature, or in case of gastrointestinal bleeding.

Related Topics:
Aspiration pneumonia - General anaesthetic - Gastrointestinal bleeding

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