“Ischaemic” stroke (80% of strokes)
This happens when blood vessels are blocked by a clot or become too narrow for blood to get through to the brain.
The reduced blood flow causes brain cells in the area to die from lack of oxygen.
“Haemorrhagic” stroke (10% of strokes)
The blood vessel is not blocked but it bursts and blood leaks into the brain causing damage.
Subarachnoid haemorrhage (5% of strokes)
There is bleeding into the space around the brain (the subarachnoid space). This is usually due to a burst aneurysm (a weakness of the blood vessel wall).
TIA (transient ischaemic attack)
A mini-stroke – the effects usually pass quickly but take a TIA seriously as it can be a warning sign,
the effects usually pass quickly but TIA must be taken seriously as it can be a warning.
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