Almost 50 years after the first report of the use of cardiacpacing, in the Journal,1 pacing is playing an increasingly importantrole in the management of cardiac disease. Cardiologists haveevaluated single-chamber, dual-chamber, and triple-chamber pacemakersin patients with different types of conduction-system diseaseand underlying cardiac function. The goal of these increasinglycomplex pacing systems is to reproduce the normal electricalactivation of the heart.
Dual-chamber pacing confers potentially important hemodynamicadvantages over ventricular pacing by linking the timing ofatrial and ventricular contraction, a phenomenon called atrioventricularsynchrony.2 In short-term and long-term studies, atrioventricularsynchrony improves stroke . . . [Full Text of this Article]
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From Virginia Commonwealth University School of Medicine, Richmond.
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Pacing for Atrioventricular Block
Amato J. L. Jr., Fauchier L., Babuty D., Heist E. K., Harthorne J. W., Singh J. P., Toff W. D., Camm A. J., Skehan J. D., the UKPACE Trial Investigators
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N Engl J Med 2005;
353:1742-1744, Oct 20, 2005.
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