Transvenous pacing in the child.
D001145:Arrhythmias, Cardiac / Q000628:therapy*; D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D006128:Growth; D006801:Humans; D007223:Infant; D010138:Pacemaker, Artificial; D014680:Veins