Diagnostic Performance of Copeptin in Patients With Acute Nontraumatic Chest Pain: BWH-TIMI ED Chest Pain Study

Study Questions:

What is the performance of copeptin (the C-terminal fragment of vasopressin precursor hormone), both alone and in addition to cardiac troponin, in the diagnosis of myocardial infarction (MI) in patients presenting to the emergency department (ED) with acute nontraumatic chest pain?