Angina is a medical pathology manifested clinically by intense thoracic pain, because of insufficient blood flow that supplies the heart through the coronary arteries usually appears abruptly and lasts a short time. Also characteristic is the feeling of constriction in chest level, often radiating to the left arm or jaw. Also, the anginal attack can cause symptoms to generalized level, as paleness, cold sweats, anxiety and strong sense of immediate death, but usually lasts a couple of minutes. Always it is a medical emergency and the medical performance in the first time is critical. Myocardial infarction would be the ultimate expression of angina.