Coronary artery anomalies overview: The normal and the abnormal

Figure 10 Trans-septal coronary artery in a 39-year-old man who underwent cardiac computed tomography after a stress test with equivocal results. A: Axial computed tomography image shows a trans-septal LAD artery (arrow) that arises from the RCA (arrowhead)[14]; B: Schematic representation of trans-septal course. Ao: Aorta; RCA: Right coronary artery; LAD: Left anterior descending; LCX: Left circumflex; RCA: Right coronary artery; M: Mitral valve; T: Tricuspid valve; L: Left sinus of Valsalva; R: Right sinus of Valsalva; N: Non-coronary sinus.