Atrioventricular nodal rhythm



atrioventricular nodal rhythm

atrioventricular nodal rhythm n.
The cardiac rhythm that results when the heart is controlled by the atrioventricular node in which the impulse arises in the atrioventricular node, ascends to the atria, and descends to the ventricles more or less simultaneously. Also called A-V nodal rhythm, nodal bradycardia, nodal rhythm.

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  • Atrioventricular node

    a small mass of muscular fibers at the base of the wall between the atria, conducting impulses received from the sinoatrial node by way of the atrioventricular bundles and, under certain conditions, functioning for the sinoatrial node as pacemaker of the heart. Abbreviation: A-V node. atrioventricular node n. A small mass of specialized cardiac muscle […]

  • Atrioventricular septum

    atrioventricular septum atrioventricular septum n. The small part of the membranous septum of the heart just above the septal cusp of the tricuspid valve, separating the right atrium from the left ventricle.



  • Atrioventricular trunk

    atrioventricular trunk atrioventricular trunk n. The bundle of cardiac muscle fibers that begins at the atrioventricular node and passes through the right atrioventricular fibrous ring to the membranous part of the interventricular septum. Also called atrioventricular bundle, His bundle, ventriculonector.

  • Atrip

    . (of a sail) in position and ready for trimming. (of a yard) hoisted and ready to be fastened in position. (of an upper mast) unfastened and ready for lowering. Historical Examples Her anchor was atrip, that is, the cable was hove short, showing that she was ready to sail at a moment’s notice. Equatorial […]



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