What Causes a Stroke?
As mentioned previously, a stroke occurs when a blood vessel carrying oxygen and nutrients to the brain becomes blocked by a blood clot or some other mass or when it ruptures. As a result part of the brain does not get sufficient oxygen and blood. The nerve cells in the affected area are unable to function and die almost immediately because they are deprived of oxygen. When the nerve cells cannot function, the parts of the body they control are also affected and cannot function correctly either.
The effects of a stroke can be devastating and the most common problems experienced are:
Weakness or paralysis in the arms or legs
Trouble swallowing
Perceptual problems – changes to the way things are seen
Sensory problems – changes to way things are felt
Cognitive problems – problems experienced when thinking or remembering
Trouble speaking, reading or writing
Depression
Fatigue
Incontinence
Tags: Stroke, Stroke causes
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