title: Effects of ventricular premature contractions on atrioventricular conduction. Studies with His bundle electrography.
mesh_terms: D002037:Bundle-Branch Block / Q000503:physiopathology; D004562:Electrocardiography; D006327:Heart Block / Q000503:physiopathology*; D006329:Heart Conduction System / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology*; D006801:Humans; D012849:Sinoatrial Node / Q000503:physiopathology; D013997:Time Factors