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المستخلص
A stroke is a rapidly developing clinical symptoms and/or signs of
focal and sometimes global loss of brain function, with symptoms lasting
more than 24 hours or leading to death with no apparent cause other than
that of vascular origin.
New MR imaging methods have become available that are able to
detect cerebral ischaemia at a very early stage of the pathological process.
Diffusion MR imaging provides information about the disturbances of
cellular water haemostasis, thus detecting the first elements of the
pathophysiological cascade leading to ischaemic injury.