title: Electrophysiologic risk factors of syncope.
mesh_terms: D001283:Atrioventricular Node / Q000503:physiopathology; D001919:Bradycardia / Q000503:physiopathology; D002037:Bundle-Branch Block / Q000175:diagnosis / Q000503:physiopathology; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography / Q000379:methods*; D006801:Humans; D012306:Risk; D012849:Sinoatrial Node / Q000503:physiopathology; D013575:Syncope / Q000209:etiology / Q000503:physiopathology*