title: Echocardiographic manifestations of left bundle branch block.
mesh_terms: D002037:Bundle-Branch Block / Q000175:diagnosis / Q000503:physiopathology*; D003327:Coronary Disease / Q000503:physiopathology; D004452:Echocardiography; D006344:Heart Septal Defects, Atrial / Q000503:physiopathology; D006346:Heart Septum / Q000503:physiopathology*; D006801:Humans; D008943:Mitral Valve / Q000503:physiopathology*; D009068:Movement; D013997:Time Factors