in acute myocardial infarction , the mean peak of cpk-mb in serum increases to 13.3 % of the total cpk ( range 8.8 % to 21 % ) from the 18th to the 24th hour after onset of symptoms , whereas in skeletal muscle lesions cpk-mb reaches only 1 % of total cpk ( range 0 % to 2.9 % ) , and in normal subjects cpk-mb is absent .
C0155626
acute myocardial
C0010290
cpk-mb