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What causes stroke?

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In brief: Causes of stroke

A stroke happens when the blood supply to your brain is cut off.
This can be caused by a blood clot blocking an artery in your brain (ischaemic stroke) or a blood vessel bursting in your brain (haemorrhagic stroke). A stroke can also happen after an injury to an artery in your neck. This is called cervical artery dissection.

In brief: Causes of stroke

A stroke happens when the blood supply to your brain is cut off.
This can be caused by a blood clot blocking an artery in your brain (ischaemic stroke) or a blood vessel bursting in your brain (haemorrhagic stroke). A stroke can also happen after an injury to an artery in your neck. This is called cervical artery dissection.
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Dr. Bennett Machanic
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