May 4, 2021 But no increases in overall use of resources The use of high-sensitivity cardiac troponin-T (hs-cTnT) assays significantly increased the number of diagnoses of myocardial injury and myocardial infarction (MI), especially in women and those with type 2 MI; however, apart from angiography, it did not increase the use of overall resources. In patients without increases in cTnT, researchers documented more ED discharges and less cardiac testing. In the first study of its kind, Olatunde Ola, MD, MPH, of the Mayo Clinic Health System, La Crosse, Wisconsin, and colleagues assessed the transition from a contemporary cardiac troponin T (cTnT) assay that used an overall 99