The lead is composed of an electrode(s) positioned within a cardiac chamber, an insulated, coiled wire(s), and a connector ... Single-chamber atrial pacing usually employs a lead placed in ...

When atrial fibrillation is present, the QRS complex occurs at random intervals and the biventricular pacing device does not know when to initiate atrial pacing and may not be able to initiate ...

A New Pacemaker Algorithm for the Treatment of Atrial Fibrillation: Results of the Atrial Dynamic Overdrive Pacing Trial (ADOPT) Electrophysiologic Characteristics of the Spontaneous Onset and ...

Patients requiring a pacemaker often have atrial fibrillation (AF), which increases the risk of thromboembolism and, consequently, the risk of morbidity and mortality. To maintain sinus rhythms ...