Permanent pacing for cardioinhibitory malignant vasovagal syndrome.

37 patients with permanent pacemakers for cardioinhibitory malignant vasovagal syndrome, presenting with syncope (median six episodes, median frequency two episodes a year) and cardioinhibition (heart rate at syncope < 60 beats/min) during tilt test.

Permanent pacing (dual chamber in 95%, VVI in 5%)

Symptomatic improvement (reduction in syncope episodes)patient reported