What is a heart attack?

What does a heart attack feel like, and what is going on in your heart? A heart attack is almost always caused by a disease of the coronary arteries called atherosclorosis…

  • About PEC

    The Patient Education Center provides multimedia access to reliable and relevant medical information at and beyond the point of care. Our content is developed exclusively by Harvard Health Publications, the media and publishing division of the Harvard Medical School of Harvard University, and distributed by Health Media Network.