sera from 10 patients with acute myocardial infarction ( increased creatine kinease isoenzyme mb activity ) exhibited ratios in the range of 0.92 to 1.56 , ratios for 10 patients without heart disease ( normal creatine kinase mb ) ranged from 0.33 to 0.69 .
C0155626
acute myocardial infarction
C0010290
creatine kinase mb