Myocardial infarction pain is characteristically crushing retrosternal chest pain which may move to arms, shoulder, neck, teeth, jaw, belly area or back. This can be squeezing, lasting for 20 minutes. Rest
and nitroglycerin may help relieve the pain to some extent. Other symptoms are anxiety, cough, dizziness, palpitations, shortness of breath etc. your doctor would like to check the cardiac enzymes like troponin and CPK, CPK MB.