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Etiologies of all cerebral infarctions and acute intracranial large vessel occlusion strokes (LVOS). The causes of cerebral infarction vary widely, while the causes of acute intracranial LVOS are relatively simple. Embolism from the heart, blood and extracranial atherosclerosis origins are the major causes of acute intracranial LVOS, followed by intracranial atherosclerotic disease (ICAD).
