TNNI3 and acute coronary syndrome: Our findings on the diagnostic accuracy of the hs-cTnI assay in an independent cohort of 129 chest pain patients are in line with the recently published findings from the Mersey Acute Coronary Syndrome Rule-Out Study (MACROS-2), which evaluated the TriageTrue® High Sensitivity Troponin I assay in a larger population of 1157 patients in the UK [23].