Cardiac resynchronization therapy for mild heart failure.
D054598:Blue Cross Blue Shield Insurance Plans; D058406:Cardiac Resynchronization Therapy / Q000379:methods*; D018795:Device Approval; D006333:Heart Failure / Q000628:therapy*; D006801:Humans; D017063:Outcome Assessment, Health Care; D016032:Randomized Controlled Trials as Topic; D012720:Severity of Illness Index; D013673:Technology Assessment, Biomedical; D016896:Treatment Outcome; D014481:United States; D014486:United States Food and Drug Administration