Self Test - Week 4 - Abdominal Vascular

What are the main reasons for performing vascular abdominal CT?

assess vessels and organ function

What are the main reasons for performing a CTA Abdomen protocol?

Suspected aneurysm, dissection, trauma and presurgical planning

How are patients positioned for CTA of the Abdomen?

supine, feet first. Arms are supported above the head.

How should patients be transferred to the CT table for CTA abdomen protocols when there are clinical indications of aortic dissection?

slider board

What is one of the main differences of CT Liver protocols and CTA Abdomen protocols?

CT liver is a multiphasic vascular protocol

What is the ideal contrast delivery mechanism for Vascular CT of the abdomen?

18g Insyte catheter in the Rt ACF

What is the challenge to achieving adequate contrast media enhancement for CT Liver?

dual blood supply

How is Fatty Liver Disease determined on CT?

HU measurements comparing the liver and spleen density on the non-contrast scan

Why are multiple phases of enhancement necessary when performing CT imaging of the Liver?

to distinguish hemangiomas from malignant tumors

What are common reasons for CTA Renal exams?

pre-surgical planning, investigation of vascular pathology, renal lesions, and evaluation of renal function