Stroke is a serious complication of atrial fibrillation, affecting not only the patient but people
around them as well. It has a huge financial impact on the NHS. The use of warfarin reduces
ischemic stroke but should not be taken lightly as the drug is associated with increased risk of
haemorrhage. Drs Anil K Agarwal, Ranjna Garg, S A Kauser and Stuart Hutchinson look at
the current status of warfarin use in the prevention of stroke in atrial fibrillation.