Role of the endocardial electrogram in the analysis of cardiac arrhythmias.
D001146:Arrhythmia, Sinus / Q000175:diagnosis; D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D001281:Atrial Fibrillation / Q000175:diagnosis; D004562:Electrocardiography; D004699:Endocardium / Q000503:physiopathology*; D006327:Heart Block / Q000175:diagnosis; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D008722:Methods