Despite this, it is estimated that between 2 - 5% of acute myocardial infarction patients are discharged inappropriately . These individuals often have a very poor outcome, and in addition, the discharge of patients later found to have suffered a heart attack is a leading cause of malpractice lawsuits each year . It is essential to ensure that the highest standards of care are maintained, as such, audit is an important asset which may be used to implement quality evidence based medicine.