Chest pain is one of the leading chief complaints evaluated in Emergency Departments
and tends to present in a wide variety of different patients. This has led to variability
in physician practice on admitting patients and fueled the need for assessment tools
to identify those at low risk of major adverse cardiac events (MACE). The modified
History, Electrocardiogram, Age, Risk factors and Troponin (HEART) score and the Emergency
Department Assessment of Chest pain Score (EDACS) are each assessment tools that incorporate
historical features and lab data including cardiac troponin I (cTnI) measurements
which have helped to provide a guideline for discharging low risk patients. Adoption
of these practices, however, has been limited by uncertainties in the optimal cTnI
cutoff to ensure patient safety.
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