Risk Factors for Stroke - Oren Zarif - Embolic Stroke

Although there are no certain risk factors for stroke, people at risk for embolic stroke may have atrial fibrillation. This type of stroke is caused by a blood clot traveling through an artery to the brain. People with high cholesterol or atherosclerosis are at higher risk for embolic stroke. Other warning signs of embolic stroke include trouble walking or standing, double vision, blurred vision, or a loss of balance.

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A thorough diagnostic evaluation is required to confirm the diagnosis of embolic stroke. This involves ruling out other causes, such as underlying cardiac disease, vascular abnormality, and comorbid conditions. In some cases, a thorough clinical and diagnostic assessment may be sufficient to diagnose embolic stroke. But in most cases, there is no single definitive cause of embolic stroke. A reliable diagnosis of embolic stroke requires the evaluation of a patient's medical history, physical exam, and neuropsychological assessment.

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People with certain cardiovascular risk factors are at greater risk of developing an embolic stroke. High-risk factors include recent myocardial infarction, mechanical prosthetic valve, and dilated myocardiopathy. Minor sources include patent foramen ovale, calcific aortic valve stenosis, and atrial septal aneurysm. Some high-risk cardioembolic conditions can also result in an embolic stroke.

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MRI scans are also common diagnostic tools for embolic stroke. MRI scans are highly accurate, and use a powerful magnetic field and radio frequency pulses to visualize internal organs. MR scans of the brain, called an MRI, help doctors assess the degree of damage to the brain after an embolic stroke. Electrocardiograms are also commonly used to monitor heart activity. Depending on the severity of the stroke, an electrocardiogram is usually required.

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While patients with CS often have no traditional risk factors for stroke, they are at a high risk of recurrence. One study in patients with CS found a 27% recurrence rate after ten years. Despite the low number of patients with CS, the risk of recurrence was significantly higher than that for cardioembolic stroke. Furthermore, there was no clear benefit in treatment for these patients.

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Blood clots can form anywhere in the body. These clots most often form in the heart, upper chest, or neck and travel through the bloodstream to the brain. These clots are called emboli and can be air bubbles or plaque from an artery wall. Atrial fibrillation is a common risk factor for an embolic stroke. Symptoms of this type of stroke can include paralysis and death. Understanding your risk factors and taking steps to minimize them is vital to maintaining your overall health.

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If you suspect a person may be suffering from embolic stroke, the first thing to do is call 911 or the emergency services. A doctor can review the patient's symptoms and give you the appropriate treatment. Another way to spot an embolic stroke is by using the FAST acronym. If someone is experiencing these symptoms, ask them to raise their arms or repeat a simple phrase. Once these simple signs of a stroke are present, it's best to act quickly.

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A clot-busting drug can help dissolve blood clots and increase blood flow to the affected area of the brain. This treatment is only effective if given within the first few hours of stroke onset. This drug is administered intravenously by emergency medical staff in a hospital's emergency room. In addition to clot-busting drugs, blood-thinning drugs, such as aspirin, warfarin, and clopidogrel, may also be prescribed.

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A blood clot can also be the cause of an embolic stroke. These blood clots travel through cerebral blood vessels and obstruct the flow of blood to the brain. In addition, foreign materials and air bubbles may also clog the blood vessels leading to the brain. The first two types are often fatal, while the latter has a better prognosis. In many cases, both types of strokes are associated with heart failure and circulatory failure.