title: Usefulness of atrioventricular nodal Wenckebach periodicity in predicting sinus nodal entrance block during atrial pacing.
mesh_terms: D001283:Atrioventricular Node / Q000503:physiopathology*; D002304:Cardiac Pacing, Artificial; D004594:Electrophysiology; D005069:Evaluation Studies as Topic; D006327:Heart Block / Q000175:diagnosis*; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D011336:Probability; D012848:Sinoatrial Block / Q000175:diagnosis* / Q000503:physiopathology; D012849:Sinoatrial Node / Q000503:physiopathology*