• An imaging technique in which, images are created using the radiations technique which shows blood vessels going from the arteries to the brain is known as CT Brain Angiography.
  • A contrast is given through veins in the form of injection, which passes through the arteries.
  • This scan is used to check abnormalities in the brain like a blood clot, brain tumors, a stroke, a tear in the wall of the arteries, or a narrowing of the arteries.
  • It takes only about 15–30 minutes to perform the same.