what does CT brain mean
Computed Tomography (CT) Scan of the Head and Face. Guide. A computed tomography (CT) scan uses X-rays to make pictures of the head and face. During the test, you will lie on a table that is attached to the CT scanner, which is a large doughnut-shaped machine.Your head will be positioned inside the scanner. The CT scanner sends X-rays through the head.hy It Is Done. A CT scan of the head is done to: 1  Find the cause of symptoms, such as confusion, paralysis, numbness, vision problems, vertigo, or headaches, that might mean a brain injury, a brain tumor, a ruptured aneurysm, or bleeding inside the head.