atrial fibrillation not caused by a heart valve problem, a condition that puts him at greater risk for a stroke. [ gps ] turn left. i don't think so. [ male announcer ] for years, bob took warfarin, and made a monthly trip to the clinic to get his blood tested. but not anymore. bob's doctor recommended a different option: once-a-day xarelto®. xarelto® is the first and only once-a-day prescription blood thinner for patients with afib not caused by a heart valve problem, that doesn't require routine blood monitoring. like warfarin, xarelto® is proven effective to reduce the risk of an afib-related stroke. there is limited data on how these drugs compare when warfarin is well managed. no routine blood monitoring means bob can spend his extra time however he likes. new zealand! xarelto® is just one pill a day, taken with the evening meal. and with no dietary restrictions, bob can eat the healthy foods he likes. do not stop taking xarelto® rivaroxaban without talking to the doctor who prescribes it for you. stopping may increase your risk of having a stroke.