Atrial fibrillation is a type of irregular heartbeat that can cause blood clots to form in your heart. Having atrial fibrillation increases your risk of stroke by five times.
Most strokes happen because of a blockage in an artery. A common cause of this is disease in the large carotid arteries in the front of your neck. This guide explains what can cause carotid artery disease and how it can be treated.
Free information guides covering the information that you need to know about stroke.