Atrioventricular nodal rhythm

Medical Dictionary

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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WordNet
atrioventricular nodal rhythm

noun
the normal cardiac rhythm when the heart is controlled by the atrioventricular node 
WordNet® 3.0, © 2006 by Princeton University.
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