Automatic AV Hysteresis

 

  • DplusTM automatically searches for intrinsic conduction, preserving ventricular rhythm

  • Dplus significantly reduces ventricular pacing1

  • Unnecessary ventricular pacing increases the risk of heart failure and atrial fibrillation2.



 

1. “Ventricular stimulation was signifi cantly less often in the DDD/AMC mode than in the DDD mode (15 ± 17% vs. 48 ± 37%, p < 0.001)”. Himmrich E., et al. Support of spontaneous atrioventricular conduction in patients with DDD (R) pacemakers: effectiveness and safety. Herz 2001; 26(1): 69-74..
2. “...ventricular desynchronization imposed by right ventricular apical pacing even when AV synchrony is preserved increases the risk of heart failure and AF in patients with SND and normal baseline QRS duration.” p. 2936, Sweeney M., et al. Adverse effect of ventricular pacing on heart failure and atrial fi brillation among patients with normal baseline QRS duration in a clinical trial to pacemaker therapy for sinus node dysfunction. Circulation 2003; 107:2932-2937.


Clinical Update

Clinical Cases

Slow Ventricular Tachycardia: A New Therapeutic Approach

Reviews

Minimizing RV Pacing with a New Pacing Algorithm for Implantable Pacemakers and Defibrillators: ADI Mode

Bibliography

Bibliography of references

Related Sites

American College of Cardiology

American Heart Association

Heart Rhythm Society

European Society of Cardiology

Heart Failure Matters