Atrioventricular conduction defect in ankylosing spondylitis.
D001172:Arthritis, Rheumatoid / Q000150:complications*; D006327:Heart Block / Q000209:etiology*; D006329:Heart Conduction System / Q000473:pathology; D006801:Humans; D013167:Spondylitis, Ankylosing / Q000150:complications*