title: Echocardiography-guided cardiac resynchronization therapy trial stopped prematurely.
authors: Andros
authors: A
authors: Tofield
mesh_terms: D058406:Cardiac Resynchronization Therapy / Q000379:methods*; D057239:Early Termination of Clinical Trials; D004452:Echocardiography / Q000379:methods*; D006333:Heart Failure / Q000628:therapy*; D006801:Humans; D018084:Ultrasonography, Interventional