The aim is to prospectively evaluate the efficacy and mechanism of benefit of HI-CRT vs. BIV CRT in patients with Right Bundle Brank Block (RBBB). Left Ventricular Ejection Fraction (LVEF) will be assess at 6 months following HIS CRT Vs. BIV CRT implant in Heart Failure patients with RBBB.
Eligibility of study
You may be eligible for this study if you meet the following criteria: