stay i'm hall of famer jerry west and my life is basketball. but that doesn't stop my afib from leaving me at a higher risk of stroke. that'd be devastating. i took warfarin for over 15 years until i learned more about once-daily xarelto... a latest generation blood thinner. then i made the switch. xarelto® significantly lowers the risk of stroke in people with afib not caused by a heart valve problem. it has similar effectiveness to warfarin. warfarin interferes with vitamin k and at least six blood clotting factors. xarelto® is selective targeting one critical factor of your body's natural clotting function. for people with afib currently well managed on warfarin, there is limited information on how xarelto and warfarin compare in reducing the risk of stroke. like all blood thinners, don't stop taking xarelto without talking to your doctor, as this may increase your risk of a blood clot or stroke. while taking you may bruise more easily, and it may take longer for bleeding to...