RT Journal Article SR Electronic A1 Nichols, Emma Hitt T1 Stroke in AF JF MD Conference Express YR 2015 FD SAGE Publications VO 15 IS 12 SP 15 OP 17 DO 10.1177/1559897715592597 UL http://mdc.sagepub.com/content/15/12/15.abstract AB Patients with atrial fibrillation are at increased risk of stroke, and the addition of a single risk factor indicates a need for prophylaxis with warfarin or a non-VKA oral anticoagulant. Left atrial appendage occlusion is a potential alternative if long-term anticoagulation is contraindicated.