title: Summaries for patients. Cardiac resynchronization therapy for heart failure.
mesh_terms: D002304:Cardiac Pacing, Artificial; D002423:Cause of Death; D006333:Heart Failure / Q000188:drug therapy / Q000401:mortality / Q000628:therapy*; D006760:Hospitalization; D006801:Humans; D011788:Quality of Life; D014693:Ventricular Fibrillation; D016138:Walking