title: Incomplete left bundle-branch block. The view from transseptal intraventricular leads.
mesh_terms: D002037:Bundle-Branch Block / Q000175:diagnosis* / Q000503:physiopathology; D006328:Cardiac Catheterization; D004562:Electrocardiography / Q000295:instrumentation / Q000379:methods*; D004566:Electrodes; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D009200:Myocardial Contraction / Q000502:physiology