We report the case of a 60-year-old patient with preserved ventricular function and no organic mitral leaflet disease implanted with a dual-chamber pacemaker. Right ventricular pacing induced a major ventricular dyssynchrony, a severe mitral regurgitation, and symptoms of congestive heart failure. Upgrading to a biventricular device was associated with a decrease in the symptoms, the ventricular dyssynchrony, and the mitral regurgitation.
Keywords: Biventricular pacing; Mitral regurgitation; Ventricular dyssynchrony
Journal Article. 324 words.
Subjects: Cardiovascular Medicine
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