Optimal right ventricular pacing site in chronically implanted patients
A prospective randomized crossover comparison of apical and outflow tract pacing
Frederic Victor, MDa,
Christophe Leclercq, MDa,
Philippe Mabo, MDa,
Dominique Pavin, MDa,
Anne Deviller, MD ,
Christian de Place, MDa,
Philippe Pezard, MD*,
Jacques Victor, MD* and
Claude Daubert, MD, FESCa
a Department of Cardiology, University Hospital of Rennes, Rennes, France
* Department of Cardiology, University Hospital of Angers, Angers, France
Department of Nuclear Medicine, University Hospital of Rennes, Rennes, France

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Figure 1 Chest X ray, (A) frontal and (B) sagittal projections showing the position of the two ventricular leads: the passive lead at the right ventricular apex and the screw-in lead at the RVOT free wall.
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Figure 2 Individual patient evolution for LVEF.
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Figure 3 Individual patient evolution for cardiac output.
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