[Pacemaker implantation in infants and children for atrioventricular block].
D000367:Age Factors; D002675:Child, Preschool; D004567:Electrodes, Implanted; D005260:Female; D006327:Heart Block / Q000628:therapy*; D006801:Humans; D007223:Infant; D008297:Male; D010138:Pacemaker, Artificial