Intracardiac electrocardiography and its usefulness for the assessment of conduction disturbance of the heart.
D000328:Adult; D001145:Arrhythmias, Cardiac / Q000503:physiopathology; D004562:Electrocardiography; D006327:Heart Block / Q000503:physiopathology; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans