an electrophysiologic functional study of the atrial conductive structure , the atrioventricular junction , the his-purkinje system in 33 patients with second-stage chronic alcoholism showed impaired cardiac conduction through the atrioventricular node and , less commonly , the his-purkinje system , to be the principal manifestation of alcoholic heart damage .
C0004247
atrioventricular node
C0018787
heart