RVT Peripheral Venous Testing 3 — Questions and Answers
Question 1: In the CEAP classification for chronic venous disease, what does a classification of C3 indicate?
- Telangiectasias or reticular veins
- Varicose veins without edema
- Edema without skin changes (Correct answer)
- Active venous ulcer
Correct answer: Edema without skin changes
C3 in the CEAP classification denotes edema of venous origin without skin changes.
Question 2: During upper extremity venous duplex imaging, which vein is most commonly involved in effort-related (Paget-Schroetter) thrombosis?
- Basilic vein
- Cephalic vein
- Subclavian vein (Correct answer)
- Internal jugular vein
Correct answer: Subclavian vein
Paget-Schroetter syndrome involves thrombosis of the axillo-subclavian vein, typically related to repetitive arm activity.
Question 3: What probe frequency range is most appropriate for imaging superficial veins such as the great saphenous vein?
- 2-5 MHz
- 5-10 MHz
- 7-15 MHz (Correct answer)
- 15-20 MHz
Correct answer: 7-15 MHz
High-frequency transducers (7-15 MHz) provide optimal spatial resolution for superficial structures like the great saphenous vein.
Question 4: A patient with suspected May-Thurner syndrome would most likely present with DVT in which vessel?
- Right common iliac vein
- Left common iliac vein (Correct answer)
- Bilateral femoral veins
- Inferior vena cava
Correct answer: Left common iliac vein
May-Thurner syndrome involves compression of the left common iliac vein by the overlying right common iliac artery, predisposing to left-sided DVT.
Question 5: Which finding on duplex ultrasound best differentiates a chronic from an acute DVT?
- Complete non-compressibility of the vein
- Hyperechoic, echogenic thrombus with vein wall thickening and partial recanalization (Correct answer)
- Absence of color flow in the vessel
- Lack of augmentation with distal compression
Correct answer: Hyperechoic, echogenic thrombus with vein wall thickening and partial recanalization
Chronic DVT typically appears as echogenic (bright) thrombus with vein wall thickening, irregularity, and partial recanalization of the lumen.
Question 6: During a lower extremity venous mapping for bypass surgery, which parameter is NOT routinely assessed?
- Vein diameter
- Vein depth from skin surface
- Presence of venous valves
- Peak systolic velocity of adjacent artery (Correct answer)
Correct answer: Peak systolic velocity of adjacent artery
Venous mapping focuses on vein caliber, depth, continuity, and patency — not the arterial hemodynamics of adjacent vessels.
Question 7: Which of the following correctly describes the anatomical relationship of the great saphenous vein to the fascia?
- It lies within the muscular compartment deep to the deep fascia
- It runs in the saphenous compartment between the superficial and deep fascia (Correct answer)
- It is located superficial to all fascial layers
- It runs alongside the femoral artery in the femoral canal
Correct answer: It runs in the saphenous compartment between the superficial and deep fascia
The great saphenous vein runs within the saphenous compartment, a fibrofatty layer bounded by the superficial and deep (muscular) fascia.
RVT Peripheral Venous Testing 3
In the CEAP classification for chronic venous disease, what does a classification of C3 indicate?