TNNT2 and cardiac arrhythmia: In addition to AMI, elevated hs-cTnT was observed in other cardiac diseases, such as myocarditis, VHD, CHD, heart failure, cardiomyopathy, and arrhythmias, as well as in non-cardiac diseases, including sepsis, urological disease, rheumatic disease, respiratory disease, endocrine disease, neurological disease, digestive disease, hematological disease, peripheral arterial disease, and cancer.