Why is CT Angiography Done?

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x-rays with catheters
computed tomography (CT)
magnetic resonance imaging (MRI)
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Computed tomography angiography (CTA) uses an injection of iodine-rich contrast material and CT scanning to help diagnose and evaluate blood vessel disease or related conditions, such as aneurysms or blockages.

CT (computed tomography) angiography is a medical test performed using computed tomography and an intravenous injection of contrast material to produce detailed images of arteries.

CT angiography uses a CT scanner to produce detailed images of both blood vessels and tissues in various parts of the body. An iodine-rich contrast material (dye) is usually injected through a small catheter placed in a vein of the arm.

Computed tomography angiography (CTA) uses an injection of iodine-rich contrast material and CT scanning to help diagnose and evaluate blood vessel disease or related conditions, such as aneurysms or blockages.