What happens before, during and after a heart attack? WebMD explains the causes of heart attacks, which affect 1 million Americans every year, along with symptoms, diagnosis, treatment, and post-heart attack care.
Tags: heart disease, heart attack, EKG, ECG, blood supply, heart muscle, blood clot, ischemia, echocardiogram, aspirin, angioplasty, stent, bypass, bypass surgery, heart bypass surgery, platelets, myocardial infarction, coronary spasm, plaque, lifestyle
