Background—This study aimed to determine whether QRS morphology identifies patients
who benefit from cardiac resynchronization therapy with a defibrillator (CRT-D) and whether …

Four years after invention of the transistor in 1954, CW Lillehei, a cardiothoracic surgeon,
and Earl Bakken, an electrical technician, developed the first battery-operated system to …

Purpose Bifocal pacing in the right ventricle is an option for patients with end-stage heart
failure in whom biventricular pacing is not possible, due to failure in left ventricular (LV) lead …

Relatam-se dois casos de pacientes portadores de marcapasso definitivo bifocal direito de
segurança, totalmente dependentes de estimulaçao cardíaca artificial. Durante o …

Background: It has been reported that bifocal pacing (BiFP) in the right ventricle (RV) may be
an alternative to unsuccessful left ventricular (LV) lead implantation. Aim: This study seeks to …

Background Dual‐site right ventricular pacing (Dual RV) has been proposed as an
alternative for patients with heart failure undergoing cardiac resynchronization therapy …

Background: Cardiac resynchronisation therapy (CRT) using biventricular pacing (BVP) has
been shown to improve survival in patients with chronic heart failure (CHF). However, BVP …

Discussion Patency of the CS and its branches is a precondition for normal cardiac blood
circulation. Any obstacle lowering blood flow, whether venous or arterial, may result in a …

Stymulacja resynchronizująca u chorych z niewydolnością serca, obniżoną frakcją
wyrzutową i wydłużonym czasem trwania zespołów QRS stanowi standard leczenia …

INTRODUÇÃO: A estimulação cardíaca artificial convencional em ponta do ventrículo direito
é o tratamento de eleição para os quadros de bradicardia severa, contudo, apesar de …