Atrioventricular nodal extrasystole
atrioventricular nodal extrasystole
atrioventricular nodal extrasystole n.
a premature beat arising from the a-v node and leading to a simultaneous or almost simultaneous contraction of atria and ventricles. also called a-v nodal extrasystole, nodal extrasystole.
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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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