Coronary Arteries

Coronary Veins

Anterior (A), posterior (B), and superior (C) views of the coronary arteries and cardiac veins.

Cardiac Anatomy: Coronary arteries of the heart by HannahNewey on Sketchfab

https://sketchfab.com/3d-models/cardiac-anatomy-coronary-arteries-of-the-heart-00b5f4ec0b984325b453f8df07cd0cb5

As a cardiologist, you are concerned about blockage of the artery to the AV node in a patient. This artery typically arises from which of the following?

RCA

Right marginal artery

Posterior interventricular artery

Anterior interventricular artery

Circumflex artery

The correct answer is A.

Explanation:

A. The AV node is also supplied by the RCA.

USMLE Reviewer (By Subscription)