What Are the Causes of Stroke? - Oren Zarif - Causes of Stroke
There are several causes of stroke. This condition is a result of a blockage in a blood vessel, such as an artery, resulting in a stroke. Thrombosis and embolism are two other possible causes. Some arteries in the brain may become severely narrowed. A hemorrhagic stroke is the result of bleeding into the brain. These conditions can be caused by any number of factors, including smoking and high blood pressure.
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Those from specific ethnic groups have an increased risk of a stroke. African Americans are more likely to suffer from stroke than any other ethnic group, making their risk higher. Their age-adjusted stroke incidence is nearly double that of whites. While stroke incidence has decreased for whites in recent decades, it has remained higher than average among blacks and Hispanics. Sickle cell disease can also narrow arteries, causing them to stop pumping blood.
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Children are also at risk for a stroke, but in many cases, there are no known causes. If a child exhibits symptoms of stroke, parents should call 911 and ask the child to follow the FAST acronym. FAST stands for "fast emergency response," and it means to call 911 right away. FAST also refers to the symptoms of a stroke: drooping face and arm weakness. One arm may also drift downward when the other one is raised.
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The prognosis after a stroke is variable. Some individuals recover fully, while others take months or even years to fully recover. Unfortunately, more than 30% of people who suffer from a stroke die within a few years of the stroke. The onset of stroke symptoms depends on the amount of blood involved and where the stroke occurred in the brain. Symptoms can range from mild difficulty to paralysis. Symptoms should be noted, and treatment can begin soon after the diagnosis has been confirmed.
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A lack of oxygen inhibits the brain cells from breaking down glucose fully. This partial breakdown results in harmful waste products. These waste products eventually damage nerve cells and cause further damage. When blood flow is restored, further damage can result from the presence of free radicals. This further damages the brain and results in the symptoms of stroke. If these symptoms occur, the affected individual should seek emergency care as soon as possible. If they have suffered a stroke, the first step to recovery is to seek emergency care.
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A diagnosis of a stroke is based on the underlying cause. Patients suffering from an ischemic stroke will receive medications to dissolve the clots in the brain and reestablish blood flow. Hemorrhagic strokes will often require surgery to repair a ruptured artery or relieve swelling inside the skull. While each of these causes is different, these treatments may help a person recover faster. If the symptoms last for several days or longer, the patient may need further treatment.
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The most common causes of a stroke are high blood pressure, high cholesterol, and artery blockages. Symptoms of a stroke may be similar to a TIA or transient ischemic attack, but they are very different. A TIA is a mini-stroke - a temporary disruption of blood flow - and should raise suspicions immediately. It is also important to seek emergency medical care for a transient ischemic attack if you have one of these symptoms.
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Other causes of stroke include obesity and hypertension. Obesity also increases the risk of ischemic stroke. This condition affects the heart and brain by causing fatty deposits inside the arteries. These fatty deposits eventually damage nerves and blood vessels, resulting in a stroke. Strokes are also linked to cardiovascular disease. Being overweight or obese increases the risk of ischemic stroke by about six percentage points. These factors should be addressed in order to reduce the risk of stroke.
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One of the most common causes of stroke is blood clotting in an artery leading to the brain. This clot obstructs the blood flow and kills brain cells. In most cases, an ischemic stroke is caused by a clot, but it can also occur when a blood vessel becomes too narrow. In the latter case, the blood clot travels from another area of the body to the brain, which causes a stroke.
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The main symptoms of a stroke are not visible and often occur without warning. A brain scan can only confirm the type of stroke once it occurs in a hospital setting. In the absence of these symptoms, it may be impossible to make a diagnosis of stroke. A physician should be consulted immediately to determine the appropriate treatment. If a patient experiences any of these symptoms, the doctor may recommend medication or surgery. The recovery time and cost of a stroke are dependent on the severity of the disease and the severity of the illness.