The benefit of biventricular pacing in appropriate patients with congestive heart failure (CHF) now has been established in terms of both morbidity and mortality. [1,2,3,4,5] Current criteria for ...

After 6 months of biventricular pacing, 71% of the patients were considered as clinical responders. The origin of the cardiomyopathy, the preimplantation QRS width, and the narrowing in QRS ...