PT - JOURNAL ARTICLE AU - Lederman, Lynne ED - Turpie, Alexander TI - New Oral Anticoagulants Can Prevent Stroke Associated with Atrial Fibrillation DP - 2013 Nov 01 TA - MD Conference Express PG - 24--25 VI - 13 IP - 14 4099 - http://mdc.sagepub.com/content/13/14/24.short 4100 - http://mdc.sagepub.com/content/13/14/24.full AB - Atrial fibrillation (AF), the most common cardiac arrhythmia, is associated with a 5-fold increased risk of stroke. Strokes related to AF are more severe and result in greater morbidity and mortality than strokes from other causes. This article reviews the historic role that vitamin K antagonists, particularly warfarin, have had in reducing the risk of stroke associated with AF.