TNNT2 and heart failure: Among various cardiac markers, high‐sensitive cardiac troponin T (hs‐cTnT) and N‐terminal prohormone of brain natriuretic peptide (NT‐proBNP) are commonly utilized to assess the severity of ischemic heart diseases12, 13: elevated NT‐proBNP is a well‐known predictor of heart failure, and elevated hs‐cTnT help indicate subclinical myocardial injury.14, 15, 16