Normal Anatomy

Normal RCA with posterior interventricular (PIV) artery running inferiorly, and the posterior lateral branches branching superiorly in this view. (Courtesy of Toronto General Hospital Catheterization Laboratory)

Normal left coronary artery (LCA) with the circumflex system inferior to the left anterior descending (LAD) artery in this view. (Courtesy of Toronto General Hospital Catheterization

Schematic

Schematic of coronary vessels, anterior view.