TNNI3 and COVID-19: The common CV complications reported in COVID-19 patients include arrhythmia, myocardial injury (marked by higher troponin I (hs-cTnI) and CK levels) and myocarditis, acute myocardial infarction, acute heart failure and cardiomyopathy, and disseminated intravascular coagulation (DIC) [3,4,10,11].