Atrial Fibrillation (AF) is the most common type of irregular heartbeat.
AF means your heart may not be working as well as it could and it may increase your risk of stroke by up to five times.
What is AF and its link to stroke?
Find out more about the link between atrial fibrillation and stroke, and what you can do to reduce your risk.
Information for professionals
If you are a professional working in primary care and would like to know more about stroke prevention in patients with AF please use this section
David Derrett talks about his experience of AF and stroke
Our Atrial Fibrillation campaign is partly funded by an educational grant by Bayer Healthcare and the Pfizer-BMS Alliance. Stroke Association retains full control of its content.