Pre-excitation revisited.
D000328:Adult; D001281:Atrial Fibrillation / Q000503:physiopathology; D004558:Electric Stimulation; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008875:Middle Aged; D010138:Pacemaker, Artificial; D014927:Wolff-Parkinson-White Syndrome / Q000503:physiopathology*