a constellation of findings , including elevated creatine kinase mb isoenzyme activity in the absence of electrocardiographic or scintigraphic evidence of acute myocardial infarction , elevated pulmonary artery wedge pressure , segmental wall motion abnormalities , and depressed ejection fraction of the left ventricle demonstrated by two-dimensional echocardiography and radionuclear ventriculography , pointed to a direct myocardial injury leading to cardiac failure .
C0010290
creatine kinase mb isoenzyme
C0155626
acute myocardial infarction