Home > Medical > Heart Health > Heart attack Heart attack All sections in Heart » About Heart » Children & Heart Disease » Congenital Heart Disease » Emergency Treatment » FAQs » Diet and your Heart » Health Tips » Heart and Exercise » Heart Attack » Heart Transplants » After a Heart Attack » Multimedia » Heart News » Obesity » Smoking & your Heart » Stress & your Heart » Tests & Procedures » The Heart in Space » Treatment » Women & Heart Disease Heart attack - from Natural Standard A heart attack, or myocardial infarction (MI), occurs when the supply of blood and oxygen to an area of heart muscle is blocked. What is a heart attack? A heart attack occurs when part of the heart muscle is sufficiently deprived of blood to result in death of muscle cells. This is an emergency. Why we die of heart attacks Heart attacks and strokes are highly preventable, according to the US Surgeon General. But as heart disease is the nr.1 killer worldwide, we're obviously doing something wrong. Ask Cardiologist » Quiz Is your diet heart-healthy? » Quiz Could I have high cholesterol? » Subscribe Newsletters » Simple tips on keeping a healthy heart 7 steps to a healthier heart Heart attack: warning signs Take a look at this graphic to see which warning signs, in men and women respectively, may signify that a heart attack is on its way. Heart attack: why did it happen? The medical staff at the hospital would probably have told you why you had a heart attack or “myocardial infarction”. However, it's often difficult to concentrate in times of shock load more articles advertisement From our sponsors Your retirement - a healthy mindset So many people, why so alone? You can still enjoy the sweet things in life Take the sugar test, it could save your life.