Did you know you could have a heart atack without feeling any chest pin? Heart failure and heart diease don’t show the same signs for everyone, especially women. The heart is a muscle that contracts to pump blood to the body. A heart atack, or myocardial infarction, occurs when the heart muscle doesn’t get enough blod. Blood carries oxygen and nutrients to the heart muscle. When there isn’t enough blod flowing to your heart muscle, the affected part can get daaged or di. This is often called a myocardial infarction. This is danerous and sometimes dedly.