As discussed with the best heart care specialist in Chandigarh , that's A heart attack occurs when the flow of blood to the heart is blocked. The blockage is most buildup of fat, cholesterol, and other substances, which form a plaque in the arteries that feed the heart (coronary arteries). The plaque breaks away and forms a clot. The interrupted blood flow can destroy part of the heart muscle. A heart attack, also called a myocardial infarction, can be fatal, but treatment has improved dramatically over the years. It's crucial to call 911 or emergency medical help if you think you might be having a heart attack.consult with best heart doctor in north India 4 Sign of heart Attack is Near Chest Discomfort = C hest pain is one of the most common symptoms that bring an individual to the emergency department. Seeking immediate care may be lifesaving, and considerable public education has been undertaken to get patients to seek medical care when chest pai...