Stroke Facts

kam
By kam November 21, 2016 10:31

Stroke Facts

Story Highlights

  • Stroke is a brain attack and occurs when the blood supply to the brain is disrupted.

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Stroke is a brain attack and occurs when the blood supply to the brain is disrupted. The brain is the body’s nerve center, regulate everything we do or think, in addition to controlling automatic functions such as breathing.

To work, the brain needs a constant supply of blood that carries oxygen and nutrients that are very important. When the blood vessels in your brain bursts or is clogged, the blood supply is interrupted and the brain cells are deprived of oxygen and nutrients.

The brain begins to die. You had a stroke. Quickly, with silence. Brain damage impair your senses, speech and language understanding. The body may be paralyzed, attitude, altered patterns of thought and memory.

Causes of Stroke?

There are two main types of stroke, and each has a different reason. The first type, ischemic stroke, occurs when blood clots block the arteries that go to the brain and interfering with the blood supply. Often, ischemic stroke occurs as a result of the accumulation of cholesterol and other waste in the arteries (atherosclerosis) over many years.

1. Ischemic stroke

Cerebral thrombosis, where blood clots (thrombus) forms in a main artery leading to the brain, stopping the blood supply.Cerebral embolism, where a blood clot forms in a blood vessel in another part of the body, for example in the neck or the heart, and carried by the bloodstream to the brain.
Lacunar stroke, where restrictions are in small blood vessels deep within the brain.

2.Hemorrhagic stroke

The second major type of stroke is a hemorrhagic stroke, in which blood vessels in or around the brain bursts, causing bleeding. High blood pressure affects long and untreated causes pressure on the artery walls, increasing the risk of rupture or bleed it. Hemorrhagic stroke when an artery bursts, blood is forced into the brain tissue, damaging cells so that the brain can not function.

Intracerebral haemorrhage, when a blood vessel bursts in the brain itself.
Subarachnoid hemorrhage, which is when the blood vessels on the surface of the brain bleed and the blood flow into the area between the brain and the skull, which is called the subarachnoid space.

 

kam
By kam November 21, 2016 10:31
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