Surowiecka, Maria2010-07-292010-07-292010-07-29https://hdl.handle.net/11299/92585The information provided in this handout does not necessarily reflect the views of the University of Minnesota Medical School physicians and faculty. These materials are provided for informational purposes only and are in no way intended to take the place of the advice and recommendations of your personal health care provider. You use the information provided in these handouts at your own risk.Atrial fibrillation is an irregular heartbeat that can lead to blood clots in the heart. These clots can dislodge and travel to the brain, resulting in stroke and possible death. This pamphlet describes how patients with atrial fibrillation, especially those with a prior history of stroke or mini-stroke (TIA), should be on anticoagulation medication with warfarin to prevent clot formation.en-USStroke or TIA prevention in the setting of new onset atrial fibrillation.StrokeTIAAnticoagulationWarfarinAspirinOther