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Stroke 

Stroke
Chapter:
Stroke
Author(s):

Anthony B. Ward

, Michael P. Barnes

, Sandra C. Stark

, and Sarah Ryan

DOI:
10.1093/med/9780199550524.003.0018
Page of

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date: 13 April 2021

Definition 278

Investigations 282

Rehabilitation of the completed stroke patient 284

A stroke is an injury to the brain, following an interruption to the normal cerebral circulation resulting in the onset of neurological loss over a short period of time. It is known as a cerebrovascular accident and may follow either an intracerebral haemorrhage, a cerebral infarction or a subarachnoid haemorrhage. There is a need to distinguish these three because there are different factors in primary and secondary prevention and some differing rehabilitative needs. Subarachnoid haemorrhage (in contrast to cerebral infarction and haemorrhage) often presents with more global deficits producing significant cognitive as well as physical problems. Transient cerebral ischaemic attack (or mini-stroke) is defined by symptoms lasting for not more than 24 hours. There is agreement that early intervention does bring benefits, both in terms of mortality and morbidity....

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