This ectopic focus becomes the predominant pacemaker of the heart. When the atrial rate is greater than 100 beats per minute, the rhythm is ... depend on the ventricular rate and the duration ...

Background: Symptomatic prolonged sinus pauses on termination of atrial fibrillation ... for rhythm or ventricular rate control in this subset of AF patients, a permanent pacemaker is often ...

Atrial fibrillation is the most common chronic arrhythmia. It is characterized by erratic atrial electrical activity with atrial rates of 400 to 600 beats per minute. The P wave is absent on the ...

Atrial fibrillation ... rhythm (antiarrhythmic), and prevent blood clots (anticoagulants). Catheter ablation (to scar the heart to disrupt abnormal signaling pathways), the use of a pacemaker ...

Atrioventricular junction ablation with permanent pacemaker insertion is a highly effective treatment approach in patients with atrial fibrillation ... reversal of rapid ventricular rates and ...

Or, the heart problem may cause a stroke, such as when atrial fibrillation ... related heart rhythm problems. Life-threatening arrhythmias may also occur, including ventricular fibrillation ...