Improved cardiac function and quality of life following upgrade to dual chamber pacing after long-term ventricular stimulation.


AIMS Many patients with sinus node disease or atrioventricular block have previously received pacemakers with only ventricular stimulation (VVI or VVIR). This study aimed to investigate whether quality of life and cardiac function were affected by an upgrade to dual chamber pacing (DDDR or DDIR) following long-term ventricular stimulation. METHODS After… (More)


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