Cardiac troponin T (cTnT) has an accepted place in the management of patients presenting with suspected acute coronary syndrome (ACS). Uncertainty remains about the significance and interpretation of elevated cTnT below the cut-off levels defining myocardial infarction (0.1 microg/l).
Consultant in Public Health Medicine, The Willows, Stepping Hill Hospital, Stockport NHS Trust, Poplar Grove, Stockport SK2 7JE, UK. gary.cook@stockport-tr.nwest.nhs.uk