# VA conduction

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> Source: https://en.wikipedia.org/wiki/VA_conduction
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{{Short description|Phenomenon in conduction in the heart}}
thumb|300px|Ventricular pacemaker with 1:1 retrograde ventriculoatrial (V-A) conduction to the atria (arrows).

'''VA conduction''', also named '''Ventriculoatrial conduction''' and sometimes referred to as '''Retrograde conduction''', is the conduction backward phenomena in the [heart](/source/heart), where the conduction comes from the [ventricles](/source/ventricle_(heart)) or from the [AV node](/source/AV_node) into and through the [atria](/source/Atrium_(heart)).<ref name="urlRetrograde VA Conduction - Medical Dictionary Definition">{{cite web |url=http://www.medilexicon.com/medicaldictionary.php?t=19694 |title=Retrograde VA Conduction - Medical Dictionary Definition |format= }}</ref>

Retrograde VA conduction results in many different [symptoms](/source/symptoms), primarily those symptoms result from the delayed, nonphysiologic timing of [atrial](/source/atrial) contraction in relation to [ventricular](/source/ventricle_(heart)) [contraction](/source/muscle_contraction).<ref name="urlPacemaker Syndrome: Overview - eMedicine Cardiology">{{cite web |url=http://emedicine.medscape.com/article/159706-overview |title=Pacemaker Syndrome: Overview - eMedicine Cardiology |date=9 May 2022 |format= }}</ref>

==References==
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Category:Medical terminology
Category:Cardiology

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Adapted from the Wikipedia article [VA conduction](https://en.wikipedia.org/wiki/VA_conduction) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/VA_conduction?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.