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The unconscious patient 

The unconscious patient
Chapter:
The unconscious patient
Author(s):

David Bates

DOI:
10.1093/med/9780199204854.003.240505_update_001

August 28, 2014: This chapter has been re-evaluated and remains up-to-date. No changes have been necessary.

Update:

Minor changes and additional further reading.

Updated on 28 Nov 2012. The previous version of this content can be found here.
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date: 18 October 2017

Prolonged loss of consciousness (coma, defined as a Glasgow Coma Score of 8 or less) is seen commonly: (1) following head injury, (2) after an overdose of sedating drugs, and (3) in the situation of ‘nontraumatic coma’, where there are many possible diagnoses, but the most common are postanoxic, postischaemic, systemic infection, and metabolic derangement, e.g. hypoglycaemia....

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