Complete heart block due to syphilis.
D054537:Atrioventricular Block; D002318:Cardiovascular Diseases; D006327:Heart Block / Q000209:etiology*; D006801:Humans; D013587:Syphilis; D013589:Syphilis, Cardiovascular
HEART BLOCK/etiology and pathogenesis; SYPHILIS, CARDIOVASCULAR/manifestations