not been validated in patients at high risk for acute coronary syndrome (ACS). We performed
an independent comparison of HEART, TIMI, GRACE, FRISC, and PURSUIT scores for
identifying chest pain due to ACS and for predicting 30-day death or re-infarction in patients
arriving through Emergency Medical Services (EMS). Methods and results We enrolled
consecutive EMS patients evaluated for chest pain at three emergency departments. A …