Diagonal Branch of Anterior Interventricular Artery
Ramus diagonalis arteriae interventricularis anterioris
Read moreQuick Facts
Origin: Anterior interventricular artery.
Course: Descends along anterior surface of left ventricle.
Branches: No named branches.
Supplied Structures: Anterior surface of the left ventricle.
Related parts of the anatomy
Origin
The diagonal branch is a common variant which is present in 33–50% of individuals (Standring, 2016). It is the largest branch that arises from the anterior interventricular branch of the left coronary artery.
Course
The diagonal branch descends along the anterior (or sternocostal) surface of the left ventricle, parallel to the anterior interventricular artery.
Supplied Structures
The diagonal branch contributes to the supply of the anterior surface of the left ventricle.
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.
