left anterior descending [LAD] coronary artery (anterior interventricular artery)
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Origin
Course
- descends towards the cardiac apex over the anterior portion of the interventricular septum.
Branches
- septal perforators
- diagonal branches
Anastomoses
posterior interventricular artery
Distribution
- interventricular septum, anterior 2/3 (septal perforators)
- includes AV bundle of His
- anterior free wall of the left ventricle (diagonal branches)