oa SA Pharmacist's Assistant - Understanding stroke : clinical
|Article Title||Understanding stroke : clinical|
|© Publisher:||Medpharm Publications|
|Journal||SA Pharmacist's Assistant|
|Publication Date||Spring 2008|
A stroke occurs when a blood vessel supplying oxygen and nutrients to the brain either bursts or is blocked by a clot. The part of the brain supplied by that vessel no longer receives nutrients or oxygen. Without oxygen, nerve cells in this area die quickly. Bodily functions controlled by these nerve cells are also impaired. A severe stroke can have permanent devastating effects because brain cells are not replaced.
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