title: Specialized cardiac conduction system. Improved electrophysiologic identification technique at surgery.
mesh_terms: D006348:Cardiac Surgical Procedures; D002648:Child; D004562:Electrocardiography; D004566:Electrodes; D004594:Electrophysiology / Q000295:instrumentation; D006327:Heart Block / Q000517:prevention & control*; D006329:Heart Conduction System / Q000502:physiology*; D006330:Heart Defects, Congenital / Q000601:surgery; D006344:Heart Septal Defects, Atrial / Q000601:surgery; D006801:Humans; D008297:Male; D008722:Methods; D010138:Pacemaker, Artificial; D011183:Postoperative Complications / Q000517:prevention & control; D012849:Sinoatrial Node