Second septal branch of posterior interventricular artery (Ramus septalis posterior arteriae coronariae dextrae)
Educational content only — not medical advice.
Anatomy
A penetrating septal branch arising from the posterior descending artery (PDA), penetrating the posterior inferior third of the interventricular septum.
Clinical notes
Compromise during inferior myocardial infarction risks AV block and junctional bradycardia requiring temporary transvenous pacing.
Related structures
Educational references
FAQ
What is the role of the Second septal branch of posterior interventricular artery?
A penetrating septal branch arising from the posterior descending artery (PDA), penetrating the posterior inferior third of the interventricular septum.
Why is the Second septal branch of posterior interventricular artery clinically important?
Compromise during inferior myocardial infarction risks AV block and junctional bradycardia requiring temporary transvenous pacing.
Source & license
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