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pacemaker
(redirected from dual chamber pacemaker)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.07 sec.

pacemaker

Source of rhythmic electrical impulses that trigger heart contractions. In the heart's electrical system, impulses generated at a natural pacemaker are conducted to the atria and ventricles. Heart surgery or certain diseases can interrupt conduction (heart block), requiring use of a temporary or permanent artificial pacemaker. A small electrode attached to an electric generator outside the body is threaded through a vein into the heart. The generator, inserted beneath the skin, produces regular pulses of electric charge to maintain the heartbeat. Permanent pacemakers can also be implanted on the heart's surface.



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? Mentioned in ? References in periodicals archive
 
NYSE:MDT) today announced that reducing right ventricular pacing to less than 10 percent in patients with dual chamber pacemakers reduced the relative risk of developing persistent atrial fibrillation (AF) by 40 percent compared with conventional dual chamber pacing in a trial of more than 1,000 patients with sinus node disease.
New England Journal of Medicine Study Shows Dramatically Reducing ... by Business Wire
The company has five pending patents that suggest system solutions also for dual chamber pacemakers, for ventricular pacing during atrial fibrillation and for cardiac stimulation with Hemodynamic Guard(TM) (Cardiac stimulation with hemodynamic sensor guard algorithm), which may expand the company's addressable market beyond CRT devices to all implanted pacemakers and defibrillators.
AI Semi Ltd. to Present at Medtech Insight's ``Investment In ... by Business Wire
Although pacemaker optimization can significantly improve a patient's cardiac output, the vast majority of patients with dual chamber pacemakers are not optimized with Echo because it is a time-consuming, expensive and operator-dependent method.
CardioDynamics Announces Publication of BioZ Pacemaker Study in PACE ... by Business Wire
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