It is natural to wonder what caused a heart attack to occur when it did, for in the vast majority of cases it seems to come out of the blue. Heart attacks can start at any time of day or night and are a little more likely to develop when … What is the heart attack? and why happen?Read more
What is a heart attack? In a heart attack (or coronary thrombosis), one of the coronary arteries that supply blood to the heart muscle becomes blocked by a clot and the part of the heart muscle that this artery supplies becomes starved of oxygen and is damaged. This usually causes … What is a heart attack?Read more