title: Complete heart block and respiratory syncytial virus infection.
mesh_terms: D001706:Biopsy; D002675:Child, Preschool; D006327:Heart Block / Q000209:etiology* / Q000601:surgery; D006801:Humans; D008297:Male; D009206:Myocardium / Q000473:pathology; D010138:Pacemaker, Artificial; D012136:Respiratory Syncytial Viruses / Q000302:isolation & purification*; D012141:Respiratory Tract Infections / Q000150:complications / Q000382:microbiology*