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Warfarin increases risk of stroke among atrial fibrillation patients in first 30 days of use

19 December 2013

Patients with atrial fibrillation – an irregular and often abnormally fast heartbeat – have nearly double the risk of suffering a stroke in the first 30 days after starting to take the anti-clotting drug warfarin compared to non-users, according to a study of over 70,000 patients.

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Read the full paper.