Atrioventricular conduction



atrioventricular conduction

atrioventricular conduction n.

Abbr. Forward conduction of the cardiac impulse from the atria to ventricles via the atrioventricular node, represented in an electrocardiogram by the P-R interval.

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  • Atrioventricular dissociation

    atrioventricular dissociation atrioventricular dissociation n. A condition in which the atria and ventricles contract independently, especially as resulting from the slowing of an atrial pacemaker or the acceleration of a ventricular pacemaker.

  • Atrioventricular extrasystole

    atrioventricular extrasystole atrioventricular extrasystole n. A premature contraction of the heart in which the stimulus arises from either the A-V node or A-V bundle. Also called A-V extrasystole.



  • Atrioventricular groove

    atrioventricular groove atrioventricular groove n. See coronary sulcus.

  • Atrioventricular interval

    atrioventricular interval atrioventricular interval n. The time from the beginning of atrial systole to the beginning of ventricular systole as measured on an electrocardiogram.



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