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2. Chronic venous insufficiency - Wikipedia

   en.wikipedia.org/wiki/Chronic_venous_insufficiency

   Chronic venous insufficiency (CVI) is a medical condition in which blood pools in the veins, straining the walls of the vein. [ 1 ] The most common cause of CVI is superficial venous reflux which is a treatable condition. [ 2 ] As functional venous valves are required to provide for efficient blood return from the lower extremities, this ...

3. Varicose veins - Wikipedia

   en.wikipedia.org/wiki/Varicose_veins

   Varicose veins, also known as varicoses, are a medical condition in which superficial veins become enlarged and twisted. Although usually just a cosmetic ailment, in some cases they cause fatigue, pain, itching, and nighttime leg cramps. [1][2][5] These veins typically develop in the legs, just under the skin. [3]

4. Deep vein thrombosis - Wikipedia

   en.wikipedia.org/wiki/Deep_vein_thrombosis

   Deep vein thrombosis. Deep vein thrombosis (DVT) is a type of venous thrombosis involving the formation of a blood clot in a deep vein, most commonly in the legs or pelvis. [9][a] A minority of DVTs occur in the arms. [11] Symptoms can include pain, swelling, redness, and enlarged veins in the affected area, but some DVTs have no symptoms. [1]

5. Phlebitis - Wikipedia

   en.wikipedia.org/wiki/Phlebitis

   Phlebitis (or venitis) is inflammation of a vein, usually in the legs. It most commonly occurs in superficial veins. Phlebitis often occurs in conjunction with thrombosis and is then called thrombophlebitis or superficial thrombophlebitis. Unlike deep vein thrombosis, the probability that superficial thrombophlebitis will cause a clot to break ...

6. May–Thurner syndrome - Wikipedia

   en.wikipedia.org/wiki/May–Thurner_syndrome

   Because of its similarities to deep vein thrombosis (DVT), May–Thurner syndrome is rarely diagnosed amongst the general population. In this condition, the right iliac artery sequesters and compresses the left common iliac vein against the lumbar section of the spine, [5] resulting in swelling of the legs and ankles, pain, tingling, and/or numbness in the legs and feet. [6]

7. Ultrasonography of chronic venous insufficiency of the legs

   en.wikipedia.org/wiki/Ultrasonography_of_chronic...

   details of anatomy, physiology and pathology of superficial veins. Ultrasonography of suspected or previously confirmed chronic venous insufficiency of leg veins is a risk-free, non-invasive procedure. It gives information about the anatomy, physiology and pathology of mainly superficial veins. As with heart ultrasound (echocardiography ...