Myocardial infarction is a medical term related to heart attack. Acute myocardial infarction is the major cause of death and disability worldwide, with an ongoing increase in incidence every year. Blood clot is the major reason for the occurrence of heart attack. The starved heart tissue dies if the cardiac ischemia lasts for longer period. Myocardial infarction (MI) is an extremely rare phenomenon and may be difficult to recognize. Patients suffering with myocardial infraction generally protestations on the sudden onset of pain in the anterior chest which creates heaviness, pressurized feeling. There are some complications arise along with myocardial infraction: cardiac failure, arrhythmias and shock. The preventive strategy which helps in reducing risk of reinfarction involves Cardiac rehabilitation. The optimal controlling to these conditions should include lifestyle modification strategies such as smoking cessation, physical activity and weight management, regular medication.