This scenario was designed to teach the diagnosis and treatment of acute myocardial infarction. Management of a patient with acute myocardial infarction is a medical emergency. Acute myocardial infarction is a life-threatening status. Risk factors for acute myocardial infarction include advanced age, hypertension, and ischemic heart disease. Some patients with acute myocardial infarction have sudden collapse. For differential diagnosis learners should do history taking, physical examination, and check laboratory test. This scenario can be conducted for both residents and medical students.