most famous aspirin it's a good medicine to make the blood less sticky then we have other prescription medicines like plavix which is clopidogrel or aggregate ragnaroks which is a combination a diaper a tamal which is another prescription medicine and aspirin they can make the blood less sticky if you have a blood clot that's forming in the heart usually aspirin is not enough to prevent that so somebody with atrial fibrillation we're going to use a stronger type of blood thinning medicine that we call an anticoagulant the most