TNNI3 and myocardial infarction: MI is due to the occlusion or limited supply of blood to an area of the heart muscle [2] and can be detected by a number of biomarkers such as cardiac troponin I (cTnI), myoglobin (MYO), creatine kinase MB (CK‐MB), and B‐type natriuretic peptide (BNP) [3].