title: Concealed conduction in a case of Lev's disease. Case report.
mesh_terms: D000328:Adult; D002037:Bundle-Branch Block / Q000209:etiology*; D002114:Calcinosis / Q000150:complications*; D009202:Cardiomyopathies / Q000503:physiopathology*; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial