title: Echocardiographic Substrate for Biventricular Pacing.
authors.forename: Hoong Sern
authors.initials: HS
authors.lastname: Lim
mesh_terms: D002304:Cardiac Pacing, Artificial; D058406:Cardiac Resynchronization Therapy; D004452:Echocardiography; D006333:Heart Failure; D006801:Humans