- If you’ve chronic diabetics or if you’re chronic smoker.
- If you have pain in your legs, heavy feeling in your legs, and if there are limitations to your daily activities.
- In case of trauma, to know whether vessel injury is present or not.
- In case, if you have gangrene.
- In case of localized swelling in the limbs (to rule out arteriovenous malformation, cancer, hematoma, abscess, etc)
- Angioplasty and stenting will be suggested if you have peripheral artery disease (PAD)
- Contrast is required. It is recommended not to eat for at least 6 hours before the scan.
- During a CT angiogram, you lie on a table that passes through a doughnut-shaped opening in the scanner.
- A special dye (contrast material) is put in a vein (IV),in your arm or hand to make the blood vessels easier to see on the scan.
- You can feel warmth while getting the dye injected.
- These will provide detailed pictures of your blood vessels that supply to upper/lower limbs.
- It tells you about the adequacy of blood supply or the cause of reduced blood supply to the limbs.
- It also gives guidance about the treatment options like conservative or surgical.
- It localizes the site for stent placement
- The doctor will be able to see narrowed or blocked areas of a particular blood vessel.
- It also tells about the site of amputation.