Introduction to Stroke

Stroke (or ‘Cerebrovascular accident’) is a syndrome of rapidly developing clinical signs of focal (or global) disturbance of cerebral function, with symptoms lasting 24 hours or longer or leading to death with no apparent cause other than of vascular origin.

-WHO definition

 Transient Ischaemic Attack (TIA) or ‘mini stroke’ is where those symptoms resolve in 24 hours (usually under 30 minutes).

 Strokes are divided into those with an ischaemic or haemorrhagic cause.

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