Heart attack, is the death of a segment of heart muscle caused by the loss of blood supply. The blood supply is usually lost because a coronary artery, one that supplies blood to the heart muscle, has a blood clot, a blockage (coronary thrombosis).If some of the heart muscle dies, the patient experiences chest pain and electrical instability of the heart muscle tissue.
Another name for a heart attack is myocardial infarction, cardiac infarction and coronary thrombosis. (Infarction = the process whereby an area of dead tissue is caused by a loss of blood supply).
Causes of Heart attack
Age, Angina, Blood cholesterol levels, Living near major highways - heart attack survivors who live near major highways have a 27% higher risk of another heart attack, Diabetes, Diet, Gut, Genetics, Heart surgery, Hypertension, Obesity, overweight, Physical inactivity, Previous heart attack, Smoking, Work stress, Calcium supplements.
Outcomes of Heart attack
Remaining myocardium ventricular failure, arrhythmias and sudden death