Illustration of temporal patterns following AMI.*.

* This is a representative patient.
Temporal patterns may vary depending on infarct size.

Enzyme And Protein Characteristics After Onset of AMI
Myoglobin
CK-MB
Cardiac Troponin l
MW (daltons)
17,800
82,000
24,000
Increase
2 - 4 Hrs.
3 - 6 Hrs.
4 - 8 Hrs.
Peak
9 - 12 Hrs.
12 - 24 Hrs.
12 - 16 Hrs.
Return
24 - 36 Hrs.
24 - 72 Hrs.
5 - 9 days