in a consecutive series of 25 coronary bypass operations , the postoperative serum activity levels of total creatine kinase ( ck ) and its more heart-specific isoenzyme ck-mb were examined and related to the levels of aspartate aminotransferase ( asat ) , alanine aminotransferase ( alat ) and thermostable lactate dehydrogenase ( ld-t ) , to electrocardiographic ( ecg ) findings and to surgical characteristics .
C0010055
coronary bypass operations
C0018787
heart