Heart attack may be triggered by severe pain from trauma. Usually heart attack is called acute myocardial infarction, mainly in the coronary artery lesions, triggered by the coronary artery blood supply is sharply reduced or interrupted, so that the myocardium acute ischemia caused by the coronary artery, usually the coronary artery blood vessels will be sustained, complete occlusion, resulting in chest pain and other discomforts. Traumatic severe pain may make the sympathetic nerve activity to increase the body’s stress, increased reactivity, myocardial contractility, heart rate, blood pressure, coronary artery tension increases, but also lead to a sudden drop in cardiac output, making the coronary artery perfusion sharply reduced, which will induce acute myocardial infarction. After the occurrence of acute myocardial infarction, you can follow the doctor’s instructions to choose morphine, nitroglycerin and other drugs to relieve symptoms, according to the patient’s condition of coronary stenting treatment. If the above symptoms occur, it is recommended to go to the hospital in a timely manner for early and regular treatment.