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Atrioventricular nodal branch

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.67

In approximately 2% of people, the vascular supply to the atrioventricular node arises from both the right coronary artery and the left circumflex branch.8

Function

The atrioventricular nodal branch supplies the atrioventricular node, allowing for excitation of the ventricles.9

See also

References

  1. Kawashima, Tomokazu; Sato, Fumi (2018-10-15). "Clarifying the anatomy of the atrioventricular node artery". International Journal of Cardiology. 269: 158–164. doi:10.1016/j.ijcard.2018.07.022. ISSN 0167-5273. PMID 30001947. S2CID 51618750. http://www.sciencedirect.com/science/article/pii/S0167527318323040 ↩

  2. Kawashima, Tomokazu; Sato, Fumi (2018-10-15). "Clarifying the anatomy of the atrioventricular node artery". International Journal of Cardiology. 269: 158–164. doi:10.1016/j.ijcard.2018.07.022. ISSN 0167-5273. PMID 30001947. S2CID 51618750. http://www.sciencedirect.com/science/article/pii/S0167527318323040 ↩

  3. Kawashima, Tomokazu; Sato, Fumi (2018-10-15). "Clarifying the anatomy of the atrioventricular node artery". International Journal of Cardiology. 269: 158–164. doi:10.1016/j.ijcard.2018.07.022. ISSN 0167-5273. PMID 30001947. S2CID 51618750. http://www.sciencedirect.com/science/article/pii/S0167527318323040 ↩

  4. Kawashima, Tomokazu; Sato, Fumi (2018-10-15). "Clarifying the anatomy of the atrioventricular node artery". International Journal of Cardiology. 269: 158–164. doi:10.1016/j.ijcard.2018.07.022. ISSN 0167-5273. PMID 30001947. S2CID 51618750. http://www.sciencedirect.com/science/article/pii/S0167527318323040 ↩

  5. Kawashima, Tomokazu; Sato, Fumi (2018-10-15). "Clarifying the anatomy of the atrioventricular node artery". International Journal of Cardiology. 269: 158–164. doi:10.1016/j.ijcard.2018.07.022. ISSN 0167-5273. PMID 30001947. S2CID 51618750. http://www.sciencedirect.com/science/article/pii/S0167527318323040 ↩

  6. Kawashima, Tomokazu; Sato, Fumi (2018-10-15). "Clarifying the anatomy of the atrioventricular node artery". International Journal of Cardiology. 269: 158–164. doi:10.1016/j.ijcard.2018.07.022. ISSN 0167-5273. PMID 30001947. S2CID 51618750. http://www.sciencedirect.com/science/article/pii/S0167527318323040 ↩

  7. Mahadevan, Vishy (2012-01-01). "Anatomy of the heart". Surgery (Oxford). Cardiothoracic I. 30 (1): 5–8. doi:10.1016/j.mpsur.2011.10.011. ISSN 0263-9319. http://www.sciencedirect.com/science/article/pii/S0263931911002262 ↩

  8. Sow ML, Ndoye JM, Lo EA. The artery of the atrioventricular node: an anatomic study based on 38 injection-dissections. Surg Radiol Anat 1996;18:183–187 ↩

  9. Kawashima, Tomokazu; Sato, Fumi (2018-10-15). "Clarifying the anatomy of the atrioventricular node artery". International Journal of Cardiology. 269: 158–164. doi:10.1016/j.ijcard.2018.07.022. ISSN 0167-5273. PMID 30001947. S2CID 51618750. http://www.sciencedirect.com/science/article/pii/S0167527318323040 ↩