His bundle electrocardiography.
D001145:Arrhythmias, Cardiac / Q000175:diagnosis / Q000503:physiopathology; D006328:Cardiac Catheterization; D004562:Electrocardiography; D006329:Heart Conduction System; D006801:Humans; D008722:Methods; D013575:Syncope / Q000175:diagnosis; D014261:Tricuspid Valve; D014927:Wolff-Parkinson-White Syndrome / Q000175:diagnosis