Causes of stroke

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Clogged arteries
There are many causes of stroke (in English: Stroke); However, most of them are caused by what is known as an ischemic stroke. An ischemic stroke occurs as a result of narrowing or blockage of the arteries supplying the brain, which leads to a decrease in the blood supply to the brain. The causes of ischemic stroke are multiple, the most prominent of which are the following:

Thrombotic stroke: The formation of a blood clot in an artery that supplies blood to the brain as a result of the accumulation of fat in the artery causes a decrease in blood flow to the brain, which is known as a thrombotic stroke.

Embolic stroke: Embolic stroke differs from thromboembolism, in that the thrombus is formed in a place other than the brain, and travels through the blood to settle in the narrow arteries feeding the brain.

Arterial rupture
The rupture of the arteries in the brain or their bleeding causes what is known as a hemorrhagic stroke, which may be caused by very high blood pressure, excessive doses of anticoagulant drugs, or an aneurysm or what is known as an aneurysm. : Aneurysms), and can be divided into two main types as follows:

Cerebral hemorrhage: It is bleeding that occurs in the brain and spreads to the surrounding brain tissue.
Subarachnoid hemorrhage: (in English: Subarachnoid hemorrhage) bleeding occurs below the surface of the brain, and causes severe and sudden headache, nausea, and vomiting.

other reasons
There are several other reasons that may lead to a stroke, including:
Vasculitis, which causes reduced blood flow to the brain, is a rare cause.
Migraine headache: (in English: Migraine headache), based on the fact that migraine headaches cause narrowing of the arteries; It can cause a stroke in some very rare cases.

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