Surface and volume-rendered images offer a 3D representation of the heart and the epicardial ... The left coronary artery originates at the left sinus of Valsalva, and soon bifurcates into the ...

1 = Upper sinus venosus defect 2 = Lower sinus venosus defect 3 = Ostium secundum atrial septal defect 4 = Coronary sinus atrial ... splitting pattern of the S2 heart sound. The intensity of ...