Using an electrophoretic method,the changes in the catalytic activities of twoisoforms(MB_1,MB_2)of creatine kinase MB isoenzyme in serum of acute myocardialinfarction(AMI),angina and health people were assessed.

• 本文采用琼脂凝胶电泳法动态观察22例急性心肌梗塞(AMI)血清肌酸激酶 MB同功酶亚型 MB_2/MB_1 比值的改变,并与23例心绞痛患者和20例健康人相比较。