CT Angiography (CTA)

What is a CTA or CT Angiography?

CTA or CT Angiography is a CT of the blood vessels. CT angiography can be used to examine arteries and veins of the entire body; this exam is used commonly to evaluate aneurysms, artherosclerosis, stenosis, dissections, surgical repairs, and stents. CTA is more precise than MRA and far less invasive than a Catheter angiography.

Exam Preparation

  • No Barium.
  • No solid food 4h ours prior to the exam.
  • Drink water, there is no restriction on your water intake.
  • If you have an allergy to the IV iodinated contrast media you will need to be pre-medicated.
  • Patients may be asked to dress into an exam gown.

During the Exam

  • Any metal that is within the area to be scanned will need to be removed.
  • Removable dental work may need to be removed.
  • The technologist will insert an IV for the injection of the iodinated contrast media. 
  • During the scan your arms may be brought above your head depending on the type of the exam.
  • You will be asked to hold your breath for 10-20 seconds while the images are being taken.
  • Exam should be completed within 15 minutes.

After the Exam

  • Following your exam you will be asked to remain in the department until your IV has been.
  • Report will be forwarded to your doctor.