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Inferior Interventricular Artery
Cardiovascular System

Inferior Interventricular Artery

Arteria interventricularis inferior

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Quick Facts

Origin: Right coronary artery.

Course: Inferiorly within posterior interventricular sulcus towards the apex.

Branches: Several small unnamed branches.

Supplied Structures: Posterior one third of the interventricular septum and adjacent portions of the right and left ventricles.

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Origin

The inferior interventricular artery arises from the right coronary artery in 60% of individuals (Standring, 2016).

Course

The inferior interventricular artery descends within the posterior interventricular sulcus towards the apex of the heart.

Branches

There are several small unnamed branches that arise from the inferior interventricular artery.

Supplied Structures

The inferior interventricular artery supplies the posterior one-third of the interventricular septum and adjacent portions of the right and left ventricles.

List of Clinical Correlates

- Coronary artery disease

- Coronary atherosclerosis

- Coronary bypass graft

- Coronary angioplasty

- Coronary occlusion

- Coronary revascularization

- Coronary artery fistula

References

Standring, S. (2016) Gray's Anatomy: The Anatomical Basis of Clinical Practice. Gray's Anatomy Series 41st edn.: Elsevier Limited.

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