Septal branch of anterior interventricular artery (Rami interventriculares septales arteriae coronariae sinistrae)
Educational content only — not medical advice.
Anatomy
Deep perforating branches plunging perpendicular from the LAD into the interventricular septum, nourishing its anterior two-thirds and the conduction system bundle branches.
Clinical notes
Ischemia triggers bundle branch blocks; therapeutically targeted for percutaneous transluminal alcohol septal ablation in obstructive hypertrophic cardiomyopathy (HOCM).
Related structures
Educational references
FAQ
What is the role of the Septal branch of anterior interventricular artery?
Deep perforating branches plunging perpendicular from the LAD into the interventricular septum, nourishing its anterior two-thirds and the conduction system bundle branches.
Why is the Septal branch of anterior interventricular artery clinically important?
Ischemia triggers bundle branch blocks; therapeutically targeted for percutaneous transluminal alcohol septal ablation in obstructive hypertrophic cardiomyopathy (HOCM).
Source & license
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