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Main characteristic of the 3 main coronary arteries
| Dependent territory | Course | Branches | |
| RCA | RV free wall | Right AV sulcus | At least the acute marginal branch |
| LAD | Anterior IV septum | Anterior IV sulcus | Septal penetrating branches |
| LCX | LV free wall | Left AV sulcus | At least 1 obtuse marginal branch |
RCA: Right coronary artery; LAD: Left anterior descending; LCX: Left circumflex artery; RV: Right ventricle; IV: Interventricular; LV: Left ventricle; AV: Atrioventricular.
