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There are two main causes of stroke. An ischemic stroke is caused by a blocked artery in the brain. A hemorrhagic stroke is caused by leaking or bursting of a blood vessel in the brain.
Why does stroke matter to women? There are several reasons why stroke matters to women. Women are more likely than men to have a stroke. One in five women will have a stroke in her lifetime. Among women, Black women have the highest chance of having a stroke.
The cause of a transient ischemic attack is similar to the cause of an ischemic stroke, which is the most common type of stroke. In an ischemic stroke, a blood clot blocks the blood supply to part of the brain. In a TIA, unlike a stroke, the blockage is brief and there is no permanent damage.
Some strokes lead to only mild symptoms, and others are more severe and have a major impact on speech, strength, swallowing, walking, and vision. The patient with a stroke will typically start therapies very early after a stroke, including physical therapy, occupational therapy, and speech therapy.
Treatment may prevent a heart attack, stroke or another medical emergency. Get emergency medical help if you have chest pain or symptoms of transient ischemic attack or stroke such as: Sudden numbness or weakness in the arms or legs.
Problems with the heart's structure are the most common cause of atrial fibrillation (AFib). Heart diseases and health problems that can cause AFib include: A heart problem you're born with, called a congenital heart defect. A problem with the heart's natural pacemaker, called sick sinus syndrome.
With high cholesterol, you can develop fatty deposits in your blood vessels. Eventually, these deposits grow, making it difficult for enough blood to flow through your arteries. Sometimes, those deposits can break suddenly and form a clot that causes a heart attack or stroke.
Strokes that block a brain artery usually cause a range of symptoms that may include vascular dementia. But some strokes don't cause any noticeable symptoms. These silent strokes still increase dementia risk.
Seizures can happen after a stroke or a head injury. An infection such as meningitis or another illness also may be the cause. But often the cause is not known.
When people use the term "ministroke," they're referring to a transient ischemic attack (TIA). A TIA is a brief blockage of blood flow to part of the brain, spinal cord or the thin layer of tissue at the back of the eye known as the retina. This blockage may cause temporary stroke-like symptoms.