| atrial reentry |
reentry in which the entire reentrant circuit lies within one or both atria, excluding the sinus node.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| atrial ring |
the ring surrounding the opening between the atrium and ventricle of the primitive vertebrate heart; represented in the mammalian heart by the atrioventricular node.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| atrial septectomy |
surgical creation of a defect in the interatrial septum; performed to allow interatrial blood mixing in transposition of great vessels.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| atrial synchronous ventricular inhibited pacemaker |
a dual chamber cardiac pacemaker similar to an atrial synchronous ventricular pacemaker but able to sense ventricular as well as atrial activity. Called also VDD p.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| atrial synchronous ventricular pacemaker |
a dual chamber cardiac pacemaker that senses atrial activity and delivers a ventricular stimulus after a preset interval; used in patients with impaired atrioventricular conduction but normal sinus node function. Called also VAT p. See also atrial synchronous ventricular inhibited p.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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