TNNT2 and acute myocardial infarction: BP: blood pressure; DBP: diastolic blood pressure; SBP: systolic blood pressure; MACE: major adverse cardiac events; MI: myocardial infarction; KAMIR: Korea Acute Myocardial Infarction Registry; ARIC: Atherosclerosis Risk in Communities; N/A: not applicable; hs‐cTnT = high‐sensitivity cardiac troponin T; “trajectory” refers to progression from stable baseline to rising levels, marking incident myocardial injury