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Atrioventricular nodal branch

Blood vessel From Wikipedia, the free encyclopedia

Atrioventricular nodal branch
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The atrioventricular nodal branch is a coronary artery that supplies arterial blood to the atrioventricular node, which is responsible for initiating muscular contraction of the ventricles. The AV nodal branch is most often a branch of the right coronary artery.

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Structure

Origin

The atrioventricular nodal branch sees significant variation in origin:

The right coronary artery supplies the atrioventricular node in around 90% of people.[1][2]

In approximately 2% of people, the vascular supply to the atrioventricular node arises from both the right coronary artery and the left circumflex branch.[3]

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Function

The atrioventricular nodal branch supplies the atrioventricular node, allowing for excitation of the ventricles.[1]

See also

References

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