title: Pre-excitation with normal PR intervals. A case secondary to slow Kent bundle conduction.
mesh_terms: D000328:Adult; D004558:Electric Stimulation; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology*; D006339:Heart Rate; D006801:Humans; D008297:Male; D013997:Time Factors; D014927:Wolff-Parkinson-White Syndrome / Q000503:physiopathology