What is cerebrovascular accident

What causes a cerebrovascular accident?

Cerebrovascular accident: The sudden death of some brain cells due to lack of oxygen when the blood flow to the brain is impaired by blockage or rupture of an artery to the brain. A CVA is also referred to as a stroke . Symptoms of a stroke depend on the area of the brain affected.

What are the 2 types of CVA?

Types of Stroke Ischemic Stroke (Clots) Occurs when a blood vessel supplying blood to the brain is obstructed. Hemorrhagic Stroke (Bleeds) Occurs when a weakened blood vessel ruptures. TIA (Transient Ischemic Attack) Called a “mini stroke ,” it’s caused by a serious temporary clot. Cryptogenic Stroke .

How is cerebrovascular accident diagnosed?

An MRI can detect brain tissue damaged by an ischemic stroke and brain hemorrhages. Your doctor may inject a dye into a blood vessel to view the arteries and veins and highlight blood flow (magnetic resonance angiography or magnetic resonance venography).

What happens during a CVA?

A stroke occurs when a blood vessel that carries oxygen and nutrients to the brain is either blocked by a clot or bursts (or ruptures). When that happens , part of the brain cannot get the blood (and oxygen) it needs, so it and brain cells die. 80 percent of strokes are preventable.

Is cerebrovascular disease serious?

Both conditions are very serious . Hemorrhagic stroke usually requires surgery to relieve intracranial (within the skull) pressure caused by bleeding. Surgical treatment for hemorrhagic stroke caused by an aneurysm or defective blood vessel can prevent additional strokes.

What does a stroke feel like in your head?

If necessary measures are taken within the first hours of the symptoms, damage to the brain cells can be reduced. Other symptoms include sudden arm, leg or face weakness, sudden confusion or speaking, sudden trouble seeing, sudden trouble with balance and a sudden severe headache with no known cause.

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What’s the worst stroke to have?

Doctors discovered she was having a hemorrhagic stroke . Most strokes are caused by a clot that cuts off blood flow to the brain. But about 13 percent are caused by a weakened blood vessel that ruptures and bleeds into the brain. These so-called hemorrhagic strokes are the deadliest and least treatable type.

Which type of stroke is most common?

Most strokes (87%) are ischemic strokes . An ischemic stroke happens when blood flow through the artery that supplies oxygen-rich blood to the brain becomes blocked. Blood clots often cause the blockages that lead to ischemic strokes .

Which side is worse for a stroke?

If the stroke occurs in the right side of the brain, the left side of the body will be affected, producing some or all of the following: Paralysis on the left side of the body. Vision problems. Quick, inquisitive behavioral style.

What are the risk factors for cerebrovascular accident?

Risk factors for cerebrovascular disease high blood pressure (hypertension) smoking . diet. high blood cholesterol . lack of exercise. being overweight and obese. diabetes . excessive alcohol consumption.

Is stroke a cerebrovascular accident?

Cerebrovascular accident ( CVA ) is the medical term for a stroke . A stroke is when blood flow to a part of your brain is stopped either by a blockage or the rupture of a blood vessel.

Are there warning signs days before a stroke?

– Warning signs of an ischemic stroke may be evident as early as seven days before an attack and require urgent treatment to prevent serious damage to the brain, according to a study of stroke patients published in the March 8, 2005 issue of Neurology, the scientific journal of the American Academy of Neurology.

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How does a stroke feel?

Sometimes a stroke happens gradually, but you’re likely to have one or more sudden symptoms like these: Numbness or weakness in your face, arm, or leg, especially on one side. Confusion or trouble understanding other people. Difficulty speaking.

What foods can trigger a stroke?

Here are five foods that cause the damage that leads to stroke . Some common, safe-sounding ingredients that really mean salt: Baking soda. Baking powder. MSG (monosodium glutamate) Disodium phosphate. Sodium alginate.

What is difference between TIA and CVA?

Rupture of an artery with bleeding into the brain (hemorrhage) is called a CVA , too. If the symptoms are temporary, usually lasting less than an hour without permanent brain damage, the event is called a transient ischemic attack ( TIA ).

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