Info

Right Coronary Artery SegmentProximal Intermediate Artery

1. Right coronary artery (RCA, proximal segment)

2. Right coronary artery (RCA, middle segment)

3. Right coronary artery (RCA, distal segment)

4. Posterior interventricular branch of right coronary artery

5. Left coronary artery (main stem)

6. Anterior interventricular branch of left coronary artery (LAD = RIVA, proximal segment)

7. Anterior interventricular branch of left coronary artery (LAD = RIVA, middle segment)

8. Anterior interventricular branch of left coronary artery (LAD = RIVA, distal segment)

9. First diagonal branch

10. (Second diagonal branch)

11. Circumflex branch of left coronary artery (LCX, proximal segment)

12. First marginal branch, M1

13. Circumflex branch of left coronary artery (LCX, middle segment)

14. (Second marginal branch, M2)

15. Circumflex branch of left coronary artery (LCX, distal segment)

16. Posterior left interventricular branch of right coronary artery

17. Intermediate atrial branch of right coronary artery

(Segments of coronary arteries are designated according to the classification of the American Heart Association; see Austen et al. 1975)

A Ascending aorta with aortic sinus

B Right auricle

C Sinuatrial nodal branch

D Conus branch

E Pulmonary trunk

F Right ventricle

G Left atrium

H Left auricle

I Left pulmonary vein

K Left ventricle

Sinuatrial Nodal Branch

CT Angiography

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