H-FABP kinetics and cardiac biomarkers Markers Molecular weight (kDa) Appear In blood (hours) Peaked (hours) Back to normal (hours) Meaning H-FABP 15 0.5 6 - 12 1 - 1, 5 Rise very soon Myoglobin 18 1 - 3 5 - 8 1 - 1, 5 Early rise Troponin I 22 3 - 6 14 - 18 5 - 10 Late rise Troponin T37 3 - 6 10 - 48 10 - 15 Late rise CK-MB 86 3 - 8 9 - 24 2 - 3 Late rise * Source: Jan G (2014) 5 1.3.