CT Imaging Procedures - Cardiovascular Flashcards


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created 9 months ago by QWERTY
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A

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Curved MPR

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Ventricular diastole

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Less than 65 beats per minute

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A

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Aorta at the level of the diaphragm

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150 ml at 4 ml/sec

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Prospective gating

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CTA Abdomen and Pelvis

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CTA Runoff

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Occlusion of the external iliac artery

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1.25

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Maximum Intensity Projection MIP

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Embolism

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CTA Runoff

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Maximum Intensity Projection MIP

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Smoothing algorithm

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400 WW and 40 WL

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Aneurysm

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CTA Runoff

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Ability to intervene immediately

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150 ml at 4ml/sec

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Both prospective and retrospective gating

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Curved MPR

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CTA Abdomen and Pelvis

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Multiplanar Reformation (MPR)

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150 ml at 4 ml/sec

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Beta blockers

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Nitroglycerin

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Decrease contrast volume

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Retrospective gating

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Calcification

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Ascending Aorta

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Stenosis

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CTA Runoff

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Bolus tracking in abdominal aorta

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Difficult walking

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400 WW and 40 WL

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CTA Runoff

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Decreased risk of complications

41

An aneurysm of the iliac artery bifurcation should be evaluated with what CT protocol?

A. CTA Abdomen and Pelvis
B. CTA Thoracic Aorta
C. CT Abdomen and Pelvis with Contrast
D. CT Enterography

A

42

What CT protocol should be used to evaluate an arterial dissection extending from the aortic bifurcation through the popliteal arteries?

A. CTA Abdomen and Pelvis
B. CTA Thoracic Aorta
C. CT Abdomen and Pelvis with Contrast
D. CTA Runoff

D

43

Which of these IV contrast-enhancement protocols should be used for imaging the abdominal aorta?

A. Bolus tracking in ascending aorta
B. Bolus tracking in the abdominal aorta
C. 90 second scan delay time
D. 60 scan delay time

B

44

Which of these intravenous contrast protocols is appropriate for CTA imaging of the abdominal aorta?

A. 150 ml at 4 ml/sec.
B. 150 ml at 2.5 ml/sec.
C. 90 ml at 4 ml/sec.
D. 100 ml at 3 ml/sec.

A

45

What windowing technique is traditionally used for viewing the soft tissues of the abdomen following CTA imaging?

A. 2500 WW and 600 WL
B. 80 WW and 30 WL
C. 1800 WW and -600 WL
D. 400 WW and 40 WL

D

46

Consider a patient that has an arterial-venous malformation midway between the hip and the knee. Which of these imaging protocols should be used to evaluate this condition?

A. CTA for Pulmonary Embolism
B. CTA Thoracic Aorta
C. CT Abdomen and Pelvis with Contrast
D. CTA Runoff

D

47

Claudication is an indication for what CT study?

A. CTA for Pulmonary Embolism
B. CTA Thoracic Aorta
C. CT Abdomen and Pelvis with Contrast
D. CTA Runoff

D

48

Which of these slice parameters should be used to create multiplanar reformations of the abdomen and pelvis?

A. 1.25 mm
B. 2.5 mm
C. 5.0 mm
D. 10 mm

A

49

If performing a CTA abdominal aorta study on a 60 lb. pediatric patient, how could the contrast injection protocol be changed without compromising the quality of the scan?

A. Decrease contrast volume
B. Increase contrast volume
C. Decrease injection rate
D. Increase injection rate

A

50

Where do the coronary arteries originate?

A. Ascending Aorta
B. Descending Aorta
C. Left ventricle
D. Right Atrium

A

51

CTA images of the coronary arteries should be acquired during what phase of the cardiac cycle?

A. Ventricular systole
B. Ventricular diastole
C. Atrial systole
D. Atrial diastole

B