Flashcards in Varicose Veins Deck (9)
What are varicose veins.
Long tortuous and dilated veins of the superficial venous system.
What is the pathological process of varicose veins. (3)
Blood from superficial veins of the leg passes into the deep veins via perforator veins (perforate deep fascia) and at the sapheno-femoral and sapheno-popliteal junctions.
Valves prevent blood from passing from deep to superficial veins.
If they become incompetent there is venous hypertension and dilatation of the superficial veins occurs.
What are the risk factors for varicose veins. (5)
What are the primary causes of varicose veins. (2)
Congenital valve absence (very rare).
What are the secondary causes of varicose veins. (5)
Obstruction (DVT, fetus, ovarian tumour).
Valve destruction (DVT).
Arteriovenous malformation (increased pressure).
Overactive muscle pumps (eg cyclists).
What are the symptoms of varicose veins. (6)
What are the physical signs of varicose veins. (8)
What are atrophie blanche.
White scarring at the site of a previous, healed ulcer.