Computed tomography angiography (CTA) uses an injection of iodinated contrast material (x-ray dye) and CT scanning to assists the radiologist in diagnosing and evaluating blood vessel disease or related conditions, such as aneurysms or blockages.
CT angiography is used to evaluate blood vessels and the organs they supply in numerous body parts:
- Heart (Coronary Arteries)
Common Uses for CTA
- Atherosclerotic (plaque) disease in the carotid arteries in the neck.
- Arteriovenous malformations (AVM)-abnormality between an artery and vein.
- Aortic dissection-serious condition where the inner layer of the aorta tears.
- Stenosis-blockage within the artery.
- Pulmonary embolism-Blood clot in the pulmonary artery.