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Atrioventricular node

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.10 sec.
atrioventricular node
n.
A small mass of specialized cardiac muscle fibers, located near the ostium of the coronary sinus and giving rise to the atrioventricular bundle of the conduction system of the heart. Also called A-V node.

Atrioventricular node (AV node)
Highly specialized area of the heart muscle which transmits electrical impulses.
Mentioned in: Heart Block

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Knowing which vessel is occluded before percutaneous coronary intervention can help in planning the procedure and recognizing when patients are at high risk for disturbances in conduction at the atrioventricular node.
08 seconds for the impulse to travel through the atria making them contract and then the impulse goes to the next major electrical point of the heart called the atrioventricular node (AV node).
A common effect is a decrease in conduction velocity through the atrioventricular node, which can result in heart block.
 
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