Recordings of His bundle and other conduction tissue potentials in children.
D000293:Adolescent; D000367:Age Factors; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D006329:Heart Conduction System / Q000502:physiology*; D006330:Heart Defects, Congenital / Q000601:surgery; D006801:Humans; D007223:Infant; D008722:Methods