c917523a_y_Results___ClinicalTrials_gov__Description
[0] CRT-D: Right Ventricular Pacing Arm [Description] 
Subjects implanted with a CRT-D device and randomized to receive right ventricular pacing.
Biventricular Versus Right Ventricular Pacing in Heart Failure Patients With Atrioventricular Block (BLOCK HF) - Study Results - ClinicalTrials.gov