Troponin Release , Rise and fall and differential diagnosis in MI, Myocardial injury and Myocarditis

Troponin release after myocardial injury. The pattern of troponin release is depicted for (A) acute myocardial infarction, (B) minor myocardial injury, and (C) myocarditis. In acute myocardial infarction, troponin increases significantly above the 99th percentile limit (dotted line) within hours of symptom onset and then gradually decreases over several days. Unlike acute myocardial infarction, minor myocardial injury leads to troponin concentrations only slightly above the decision limit (dotted line) for a shorter period. In myocarditis, troponin concentrations remain at or slightly above the decision limit for days to weeks.

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