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What is an Embolic Stroke? - Oren Zarif - Embolic Stroke


The term embolic stroke describes a type of ischemic stroke caused by a blood clot or a foreign body. The source of the stroke is usually not known. The patient's symptoms may be mild or severe. During a stroke, blood may form clots on the brain's surface. A stroke can also be caused by a heart attack, pulmonary embolism, or a combination of these.

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Blood clots that cause embolic stroke can form anywhere in the body, but typically originate in the heart, upper chest, or neck, and travel to the brain. These blood clots, also known as emboli, are usually caused by an irregular heart rhythm. They can be made of air bubbles or plaque from the artery wall. Another risk factor for a stroke is an irregular heartbeat, also known as atrial fibrillation.

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Identifying underlying causes of embolic stroke is important for early diagnosis and treatment. In the United States, up to 30% of strokes are cryptogenic, and the proportion is higher in young people. Inadequate diagnostic workups, multiple causes, and under-recognized etiology are factors that contribute to this phenomenon. This activity discusses the clinical evaluation and the use of neuroimaging and other investigative tools. In addition, it discusses the role of the interprofessional team in evaluating patients and determining treatment.

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Treatments for strokes depend on the area of the brain affected. Aspirin, which thins the blood, can be used to prevent blood clots from entering the blood stream. TPA is a drug that can dissolve blood clots and can be administered intravenously through an arm vein. TPA is effective only if it is given within a few hours of the stroke. The patient should continue to take their medication as directed by their doctor.

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Cognitive and physical symptoms of embolic stroke include inability to move limbs or to perform simple manipulations. The symptoms depend on which area of the brain is affected and how it affects the affected functions. The initial diagnosis of an embolic stroke requires careful observation. A physician can diagnose it more accurately with a thorough physical exam. In general, it is best to seek medical care immediately. If you suspect an individual may be suffering from this condition, call 911 and get to the hospital.

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Risk factors for thromboembolic stroke vary depending on the location of the blood clot. Cardiovascular conditions that increase the risk of an embolic stroke include atrial fibrillation, recent myocardial infarction, a mechanical prosthetic valve, and dilated myocardiopathy. Minor cardiovascular causes of embolism include atrial septal aneurysms, mitral valve stenosis, and patent foramen ovale.

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The relationship between PFO and embolic stroke is not well understood. However, some recent research suggests that aortic arch atherosclerosis is a risk factor for stroke. Studies have shown that high-risk individuals have a greater risk of developing an embolic stroke. While the evidence is not conclusive, it is worth discussing. The best way to prevent an embolic stroke is to have your aortic arch checked by an aortic arthroscope.

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While this study is limited, the data suggests that mechanical thrombus analysis can be useful in detecting the source of an embolic stroke. This research is being done after endovascular therapy for stroke. Until recently, however, the methods have remained relatively unexplored. This is primarily due to their relative novelty and lack of clinical trials. Nevertheless, a new study will help physicians understand how these procedures work and determine whether they are useful in preventing an embolic stroke.

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