title: His bundle recordings in atypical A-V nodal Wenckebach block during cardiac pacing.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000503:physiopathology; D016275:Atrial Function; D002037:Bundle-Branch Block / Q000503:physiopathology; D006328:Cardiac Catheterization; D004562:Electrocardiography; D006327:Heart Block / Q000503:physiopathology*; D006329:Heart Conduction System / Q000502:physiology / Q000503:physiopathology*; D006801:Humans; D010138:Pacemaker, Artificial / Q000009:adverse effects