title: The cardiac conduction system; electrophysiological studies during open heart surgery.
mesh_terms: D001283:Atrioventricular Node; D002036:Bundle of His / Q000503:physiopathology; D006328:Cardiac Catheterization; D006348:Cardiac Surgical Procedures; D004562:Electrocardiography; D004566:Electrodes; D004594:Electrophysiology; D006325:Heart Atria / Q000033:anatomy & histology; D006329:Heart Conduction System / Q000502:physiology / Q000503:physiopathology*; D006330:Heart Defects, Congenital / Q000175:diagnosis; D006346:Heart Septum / Q000033:anatomy & histology; D006801:Humans