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CTA Quiz

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Questions and Answers

What is the main purpose of CTA?

To obtain axial MDCT images during contrast infusion for visualization of bones

To obtain axial MDCT images during contrast infusion for visualization of arteries (correct)

To obtain axial MDCT images during contrast infusion for visualization of soft tissues

To obtain axial MDCT images during contrast infusion for visualization of veins

What is the recommended contrast injection rate for lower-limb CTA?

4 mL s–1 via a peripheral vein (correct)

6 mL s–1 via a peripheral vein

8 mL s–1 via a peripheral vein

2 mL s–1 via a peripheral vein

What is the preferred technique for delay in lower-limb CTA?

Manual adjustment of delay

Bolus tracking technique (correct)

Real-time delay adjustment

Preset empirical delay

What is the recommended slice thickness for lower-limb CTA?

<p>3 mm or less (A)</p> Signup and view all the answers

What are the indications for lower-limb CTA?

<p>Lower-limb ischemia, Arterio-venous malformation, Trauma (C)</p> Signup and view all the answers

Study Notes

CTA Overview

The main purpose of CTA (Computed Tomography Angiography) is to evaluate the vascular system and diagnose vascular diseases.

CTA Technique

The recommended contrast injection rate for lower-limb CTA is 4-5 mL/sec.
The preferred technique for delay in lower-limb CTA is the bolus tracking technique, which involves tracking the contrast bolus to ensure optimal contrast enhancement.

CTA Image Acquisition

The recommended slice thickness for lower-limb CTA is 0.5-1.5 mm, which provides high-resolution images of the vascular system.

CTA Indications

Indications for lower-limb CTA include suspected peripheral artery disease, acute limb ischemia, and trauma or injury to the lower limb.

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Description

Test your knowledge of Computed Tomographic Angiography (CTA) with this quiz. Challenge yourself with questions about the procedure, imaging techniques, and contrast infusion. Perfect for radiology students and professionals seeking to enhance their understanding of CTA.