In patients with suspected acute coronary syndrome, myoglobin is, according
to IFCC and NACB guidelines, the marker of choice for early determination
of acute infarction, in particular in combination with creatine kinase-MB,
4 hours after admission with a sensitivity of 96%, and correctly excludes Q
-wave infarctions. In patients without acute myocardial infarction, a posit
ive troponin T (relative risk 31.5%), but not an elevated myoglobin (relati
ve risk 4.5%), is highly predictive for adverse in-hospital outcome.