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Atrial fibrillation significantly raises the risk for ischemic stroke, and the prevalence of atrial fibrillation is increasing due to the aging of the population. Reducing the risk of ischemic stroke is one of the cornerstones in the medical management of atrial fibrillation. Oral vitamin K antagonists such as warfarin are highly effective in preventing atrial fibrillation-related thromboembolism,...
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