we describe a patient with severe coronary artery disease , in whom wpw disappeared suddenly , transiently at first , during coronary bypass surgery , and then permanently , probably as a result of an acute myocardial infarction , and in whom all the sinus beats during relentlessly progressive heart block were conducted through the normal a-v conduction system only .
C0155626
acute myocardial infarction
C0018787
heart