Intermittent Pacemaker Syndrome: Revision of VVI Pacemaker to a New Cardiac Pacing Mode for Tachy‐Brady Syndrome

1 patient with tachy-brady syndrome (manifested by paroxysmal atrial fibrillation and symptomatic sinus bradycardia) who developed pacemaker syndrome during VVI pacing

Revision of cardiac pacemaker to a dual chamber system utilizing AV sequential DDI pacing mode

Prior VVI pacing

Elimination of pacemaker-related tachycardias and pacemaker syndrome symptoms