Background A high percentage of biventricular (BiV) or left ventricular (LV) pacing in cardiac
resynchronization therapy (CRT) devices has been associated with superior clinical …

Reducing Ventricular Pacing Frequency in Patients With Atrioventricular Block | Circulation:
Arrhythmia and Electrophysiology Science Volunteer Warning signs SearchSearch Advanced …

Uncoordinated contraction from electromechanical delay worsens heart failure
pathophysiology and prognosis, but restoring coordination with biventricular pacing, known …

Background Earlier studies in patients with reduced left ventricular ejection fraction (LVEF)≤
35% and prolonged QRS showed better survival outcomes with cardiac resynchronization …

BACKGROUND: Recent studies demonstrate that women may respond more favorably to
cardiac resynchronization therapy (CRT) than do men. The mechanisms remain unclear …

Cardiac resynchronization therapy (CRT) is a well‐established therapy for patients with
heart failure (HF) and wide QRS configuration, especially for those in sinus rhythm …

Background Cardiac resynchronization therapy (CRT) requires a high percentage of
ventricular pacing (% Vp) to maximize its clinical benefits. Atrial fibrillation (AF) has been …

Atrial fibrillation (AF) occurs in one of four patients undergoing cardiac resynchronization
therapy (CRT).-Without special therapy, the prognosis of AF patients with CRT has been …

Background Heart failure (HF) is a growing public health problem in the United States.
Implantable cardiac resynchronization therapy (CRT) devices reduce mortality and …

Aims Cardiac resynchronization therapy (CRT) devices report percentage pacing as a
diagnostic but cannot determine the effectiveness of each paced beat in capturing left …