Is it possible to exclude a diagnosis of myocardial damage within six hours of admission to an emergency

Objective To assess the clinical efficacy and accuracy of an emergency department based six hour rule›out protocol for myocardial damage. Design Diagnostic cohort study. Setting Emergency department of an inner city university hospital. Participants 383 consecutive patients aged over 25 years with chest pain of less than 12 hours’ duration who were at low to moderate risk of acute myocardial infarction. Intervention Serial measurements of...