title: Narrow QRS is not the right substrate for cardiac resynchronization therapy.
authors: Arthur J
authors: AJ
authors: Moss
mesh_terms: D058406:Cardiac Resynchronization Therapy / Q000379:methods*; D005260:Female; D006333:Heart Failure / Q000503:physiopathology* / Q000628:therapy*; D006801:Humans; D008297:Male; D020257:Ventricular Remodeling / Q000502:physiology*