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 four (4) hours 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.
