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The visible effects of a stroke, regardless of the cause, will depend on the area of the brain damaged – both where in the brain, and how large and area – and again, on how quickly blood flow is restored. There may be some immediate improvement of symptoms, with further slow improvement in the months following the stroke.

For some, however, the damage may be permanent: the parts of the body controlled by the damaged cells can no longer function.

A special mention must be made of the “temporary” warning stroke, properly called a Transient Ischaemic Attack, or TIA. Any stroke whose effects are 100% totally reversed within 24 hours, is defined as a TIA. Any TIA is considered a medical emergency. Not only must it be managed as a stroke at that time, but the implications of a TIA are serious : unless correctly managed, there is up to 20% chance that it will recur within 90 days, the next time not as another TIA, but as a full stroke.

Read more:
Types of stroke
Symptoms of stroke

The Heart and Stroke Foundation South Africa
 

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