Angiocardiography of a 60-year-old man revealed constriction of the vessel located in the left coronary sulcus of his heart. Name this pathological vessel:

Answer options

1. Ramus interventricularis anterior
2. IT cordis parva
3. Ramus interventricularis posterior
4. Ramus circumflexus
5. A. coronaria dextra

Explanation

The Circumflex Artery is a ‘ramus’ or branch of the Left Coronary Artery that branches off to loop around the heart via the left coronary sulcus (the coronary sulci are circular grooves that delimit the atria and ventricles).