Right ventricular bifocal stimulation in the treatment of dilated cardiomyopathy with heart failure.

OBJECTIVE To describe a new more efficient method of endocardial cardiac stimulation, which produces a narrower QRS without using the coronary sinus or cardiac veins. METHODS We studied 5 patients with severe dilated cardiomyopathy, chronic atrial fibrillation and AV block, who underwent definitive endocardial pacemaker implantation, with 2 leads, in the… CONTINUE READING