title: Paroxysmal atrial fibrillation in Wolff-Parkinson-White Syndrome, type B.
mesh_terms: D000328:Adult; D001281:Atrial Fibrillation / Q000150:complications*; D001282:Atrial Flutter / Q000150:complications; D004554:Electric Countershock; D004562:Electrocardiography; D006329:Heart Conduction System / Q000503:physiopathology; D006339:Heart Rate; D006801:Humans; D008297:Male; D011433:Propranolol / Q000627:therapeutic use; D014927:Wolff-Parkinson-White Syndrome / Q000150:complications* / Q000188:drug therapy / Q000628:therapy
chemical_list: D011433:Propranolol