Example of ruptured (right posterior communicating artery aneurysm, left column) and unruptured (right posterior communicating artery aneurysm, right column) mirror aneurysm pairs. The Left panel shows from top to bottom: 3D rotational angiography images, WSS distributions, and OSI distributions. The right panel shows from top to bottom: inflow jets, flow patterns, and vortex core lines at 4 times during the cardiac cycle.