Problems with long-term endocardial pacing in children.
D000219:Adams-Stokes Syndrome / Q000628:therapy; D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004566:Electrodes; D006327:Heart Block / Q000628:therapy; D006801:Humans; D007223:Infant; D010138:Pacemaker, Artificial; D013997:Time Factors