ENHANCE-Efficacy of the Presence of Right Ventricular Apical Pacing Induced Ventricular Dyssynchrony as a Guiding Parameter for Biventricular Pacing in Patients With Bradycardia and Normal Ejection Fraction
Conditions
Interventions
- DEVICE: CRT-P OFF
- DEVICE: CRT-P ON
- DEVICE: DDDR
Sponsor
Abbott Medical Devices