His bundle electrograms.
D000818:Animals; D001145:Arrhythmias, Cardiac / Q000503:physiopathology; D006328:Cardiac Catheterization; D004285:Dogs; D004562:Electrocardiography; D006327:Heart Block / Q000503:physiopathology; D006329:Heart Conduction System / Q000187:drug effects / Q000502:physiology* / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008722:Methods; D009203:Myocardial Infarction / Q000503:physiopathology; D014693:Ventricular Fibrillation / Q000503:physiopathology; D014927:Wolff-Parkinson-White Syndrome / Q000503:physiopathology