Some people have no symptoms warning them prior to a stroke or symptoms are so mild they are not noticeable. These are called transient ischemic attacks (also called TIA or "mini-stroke") and are short, brief episodes of the stroke symptoms listed above. Sometimes, people experience warning signs before a stroke occurs. Your doctor can evaluate your risk for stroke and help you control your risk factors. Race (African-Americans are at increased risk).Gender (Men have more strokes, but women have deadlier strokes).Many risk factors can be controlled before they cause problems. Up to 50% of all strokes are preventable. Immediate treatment can save your life or increase your chances of a full recovery. Immediately call 911 if you or someone you know has symptoms of a stroke. What Should I Do If I Experience Stroke Symptoms? Loss of balance or unstable walking, usually combined with another symptom.Sudden, severe headache with no known cause.Loss of speech, difficulty talking, or understanding what others are saying.Loss of vision or dimming (like a curtain falling) in one or both eyes.Weakness or numbness of the face, arm, or leg on one side of the body.The most common symptoms of a stroke are: An aneurysm is a weakness or thinness in the blood vessel wall. The most common causes of hemorrhagic stroke are high blood pressure and brain aneurysms. The result is blood seeping into the brain tissue, causing damage to brain cells. Hemorrhagic (heh-more-raj-ik) strokes occur when a blood vessel in the brain breaks or ruptures.Ischemic stroke can also occur when too much plaque (fatty deposits and cholesterol) clogs the brain's blood vessels. These clots block blood flow to the brain's cells. Clots can form in the brain's blood vessels, in blood vessels leading to the brain, or even in blood vessels elsewhere in the body and then travel to the brain. Ischemic stroke is similar to a heart attack, except it occurs in the blood vessels of the brain.If a stroke is not caught early, permanent brain damage or death can result. The brain cells, deprived of the oxygen and glucose needed to survive, die. A stroke, sometimes called a " brain attack," occurs when blood flow to an area in the brain is cut off. Knowing the signs of a stroke is the first step in stroke prevention.
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