Anatomical basis of AV conduction disturbances.
D000368:Aged; D002114:Calcinosis / Q000473:pathology; D002908:Chronic Disease; D004562:Electrocardiography; D006327:Heart Block / Q000145:classification / Q000473:pathology*; D006329:Heart Conduction System / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged