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Cardiac resynchronization (biventricular pacing) is a treatment for heart failure that uses a three-lead biventricular pacemaker implanted in the chest. The pacemaker sends tiny electrical impulses to the heart muscle to coordinate (resynchronize) the pumping of the chambers of the heart, which improves the heart’s pumping efficiency. Both ventricles are paced to contract at the same time. This can reduce the symptoms of heart failure.
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