text_1: High-sensitivity cardiac troponin T (HSCT-T) dosage may not be diagnostic if the onset of symptoms occurs less than 3 hours before acute myocardial injury (AMI).
text_2: OBJECTIVE To obtain summary estimates of the accuracy of a single baseline measurement of the Elecsys Troponin T high-sensitive assay (Roche Diagnostics) for the diagnosis of acute myocardial infarction in patients presenting to the emergency department.