title: Paradoxical motion of interventricular septum in left bundle branch block.
mesh_terms: D000792:Angiography; D001024:Aortic Valve Stenosis / Q000150:complications; D002037:Bundle-Branch Block / Q000150:complications / Q000175:diagnosis*; D006328:Cardiac Catheterization; D004452:Echocardiography; D004567:Electrodes, Implanted; D006346:Heart Septum / Q000503:physiopathology*; D006352:Heart Ventricles / Q000503:physiopathology*; D006801:Humans; D006973:Hypertension / Q000150:complications; D008722:Methods; D008944:Mitral Valve Insufficiency / Q000150:complications; D010138:Pacemaker, Artificial; D014463:Ultrasonography