Embolic Stroke - Causes and Treatment - Oren Zarif - Embolic Stroke
Symptoms of embolic stroke may include inability to move limbs or perform simple manipulations. The specific function affected will depend on the affected area of the brain. If you notice any of these symptoms, call 911 immediately. Stroke is a medical emergency, and if the symptoms persist for over an hour, seek immediate medical attention. Impaired coordination, speech, vision, or swallowing are just a few of the signs and symptoms of stroke.
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An embolic stroke is caused by a blood clot in an artery somewhere in the body. The clot is small, but large enough to travel into the brain. As it travels through the bloodstream, the embolus becomes wedged, cutting off blood flow to the brain. In order to avoid brain damage, the blood flow must be restored quickly. An artery can be blocked by a clot of any size.
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The clinical diagnosis of an embolic stroke should be made based on a thorough diagnostic evaluation. There may be other causes of stroke, such as cardiac arrhythmias, vascular malformations, or under-recognized etiology. An investigation can rule out the most common vascular and cardiac causes of embolic stroke. This article explores the underlying causes and clinical considerations in treating embolic stroke.
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In addition to identifying possible causes of embolic stroke, treatment should include other underlying conditions. Treatment for underlying conditions is the first priority. In the Emergency department, a brain CT scan should rule out other causes, such as intracranial hemorrhage, amyloid angiopathy, and subarachnoid hematoma. The patient should be monitored closely for a stroke mimic. The patient should be observed closely for changes in consciousness.
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Emergency procedures are common for an embolic stroke, including carotid endarterectomy. This procedure removes the plaque lining the carotid artery. MRI also helps doctors visualize cerebral vessels, called MR angiography and MR perfusion. An electrocardiogram also checks electrical activity of the heart. This will determine if underlying heart problems are the source of the stroke. While most patients will receive some type of treatment for stroke, it will vary depending on the type of treatment the patient receives.
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The symptoms of an embolic stroke are similar to those of a regular stroke. Getting immediate medical attention is vital, because further deterioration of the artery can lead to an embolic stroke. In some cases, it may be difficult to determine which symptom is worse, so medical treatment must be sought. If symptoms persist, the best treatment may involve a combination of therapy and medications. And if the symptoms are severe, the doctor may suggest surgery.
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Symptoms of embolic stroke include a thrombus or clot lodged in an artery that feeds the brain. Because brain cells cannot receive enough oxygen to function, they die quickly. Approximately 87% of strokes are ischemic. Patients affected by embolism are at greater risk of suffering permanent disability. However, this stroke is preventable. If detected early, it can be managed successfully. However, if left untreated, it can result in a permanent disability or death.
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For a majority of patients with ESUS, identifying the specific source of embolism is challenging. Because the available diagnostic tests can't distinguish between different sources, the search for the underlying cause may be futile. It is important to find out which stroke was caused by the embolic source in order to determine the appropriate antithrombotic treatment. This is a major issue in treating patients with ESUS. When an embolic stroke occurs, the source of the clot must be diagnosed in order to minimize the risk of a repeat episode.
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Another subtype of embolic stroke is cryptogenic. This is the most prevalent form of cryptogenic stroke, and represents approximately 20% of all cases. The TOAST classification classifies cryptogenic stroke as a large subgroup of these strokes and excludes specific causes. To date, there are no specific causes of cryptogenic stroke, but it is still the most common type of stroke. The TOAST classification is widely used in clinical practice.