CT Aortogram is performed using contrast for evaluating the artery Aorta from its origin (ascending aorta), its arch, and its part in the chest (thoracic aorta) till its bifurcation in the abdomen. This is the main artery arising from the Heart for distributing blood all over the body through its branches.
This test may help to rule out pathologies of the aorta such as aneurysm, dissection, occlusion, malformation, etc.