A heart attack occurs when the flow of blood to the heart is blocked. Heart attack is also called as Myocardial. The blockage is a most often a buildup of fat, cholesterol, and other substances. The interepted flow of blood can damage or destroy the part of heart muscle. If you think you might be having a heart attack, call the emergency number. Recovery from a heart attack may involve lifestyle changes and ongoing medical management to prevent future heart problems. Create a awareness for people in public places with digital display.