Chronic Venous Disease Flashcards
Which of the following characterizes primary varicose veins?
A. Result from venous hypertension due to deep venous obstruction.
B. Caused by defective valves and high intraluminal pressure in superficial veins.
C. Caused by incompetent perforating veins exclusively.
D. Always associated with a history of deep vein thrombosis (DVT).
B
Which of the following is a common cause of secondary deep venous insufficiency?
A. High venous pressure due to pregnancy.
B. Valvular reflux in the great saphenous vein.
C. Previous deep vein thrombosis leading to valve damage.
D. Incompetence of superficial veins only.
C
Which syndrome is caused by extrinsic compression of the left iliac vein by the right common iliac artery?
A. Klippel-Trénaunay syndrome.
B. May-Thurner syndrome.
C. Parkes-Weber syndrome.
D. Thoracic outlet syndrome.
B
A 45-year-old woman presents with leg heaviness and swelling after prolonged standing, relieved by elevation. Which condition is most likely?
A. Peripheral arterial disease.
B. Chronic venous insufficiency.
C. Acute DVT.
D. Lymphedema
B
Which clinical finding is most suggestive of advanced chronic venous insufficiency?
A. Edema confined to the ankles.
B. Pitting edema that becomes indurated over time.
C. Hyperpigmentation localized to the thigh.
D. Telangiectasias without associated skin changes.
What is the characteristic feature of a venous ulcer?
A. Deep, punched-out appearance with black eschar.
B. Irregular borders, shallow base with granulation tissue and exudate.
C. Non-healing with pale granulation tissue and absent exudate.
D. Presence of erythematous streaking with lymphadenopathy.
Answer: B
B
What is the principal diagnostic test for chronic venous disease?
A. Magnetic resonance venography.
B. Venous duplex ultrasonography.
C. Plethysmography.
D. Conventional venography.
B
What does the absence of venous collapse on ultrasound compression indicate?
A. Superficial venous insufficiency.
B. Venous obstruction due to thrombus.
C. Physiologic venous flow.
D. Valve competence in deep veins.
B
Which compression stocking pressure is most appropriate for healing venous ulcers?
A. 10–20 mmHg.
B. 20–30 mmHg.
C. 30–40 mmHg.
D. 40–50 mmHg.
C
Which ablative therapy delivers thermal energy to promote venous occlusion?
A. Cyanoacrylate tissue adhesive.
B. Mechanochemical ablation.
C. Endovenous laser therapy.
D. Sclerotherapy.
C
Which sclerosing agent is approved by the FDA for varicose vein treatment?
A. Sodium tetradecyl sulfate.
B. Hydrogel polymer.
C. Cyanoacrylate adhesive.
D. Polyurethane foam.
A
Which surgical procedure is used to treat valvular incompetence by tightening the valve through commissural apposition?
A. Stab phlebectomy.
B. Valvuloplasty.
C. SEPS.
D. Saphenopopliteal vein bypass.
B
Which of the following best describes the pathophysiology of lymphedema?
A. Excessive arterial blood flow due to increased pressure.
B. Imbalance between lymph production and lymph absorption.
C. Reduced interstitial osmotic pressure.
D. Loss of venous valve function.
B
What is the purpose of lymphatic valves?
A. Promote arterial blood flow.
B. Enhance absorption of interstitial proteins.
C. Ensure unidirectional lymphatic flow.
D. Facilitate venous return.
C
Which gene mutation is associated with Milroy’s disease?
A. FOXC2.
B. VEGFR3.
C. SOX18.
D. GATA2.
B
A. FOXC2 ymphedema-distichiasis syndrome
C SOX18 hypotrichosis, lymphedema, telangiectasia syndrome
D GATA2 AML