Figure 2. Schematic representation of the heart shows the three anatomic variations of the arteria anastomotica auricularis magna, superior view.

A. Artery arises from LCX or its branches meet with the vessels at crux, B. Vessel arises from LCX or its branches and takes an abrupt turn to meet the vessels at the RA anterior wall; C. Vessel arises from LCX and fans out to meet with vessels from RCA. 1. Aorta, 2. Pulmonary trunk, 3. Mitral valve, 4. Tricuspid leaflet, 5. AV nodal artery, 6. right coronary artery, 7. Left circumflex artery, 8. Anastomotica auricularis magna