Ischemic stroke is most commonly known stroke in our day to day lives. About 80 per cent of strokes are ischemic strokes. Ischemic stroke occurs when the arteries supplying blood to the brain goes narrow or becomes blocked. These blockages are caused by blood clots in the brain or blood flow that’s severely reduced. Stroke can affect people of all ages, including children and infants. Many people with ischemic strokes are older (60 or more years old), and the risk of stroke increases with age.