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  2. Chronic venous insufficiency - Wikipedia

    en.wikipedia.org/wiki/Chronic_venous_insufficiency

    The most common cause of chronic venous insufficiency is reflux of the venous valves of superficial veins. [2] This may in turn be caused by several conditions: Deep vein thrombosis (DVT), that is, blood clots in the deep veins. Chronic venous insufficiency caused by DVT may be described as postthrombotic syndrome. DVT triggers an inflammatory ...

  3. Ultrasonography of chronic venous insufficiency of the legs

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

    The reversed blood pools in the low third of legs and feet. [17] Unlike the arterial ultrasound study, when the sonographer studies venous insufficiency, the vein wall itself has no relevance and attention will be focused on the direction of blood flow. The objective of the examination is to see how the veins drain.

  4. Vascular disease - Wikipedia

    en.wikipedia.org/wiki/Vascular_disease

    Venous insufficiency is the most common disorder of the venous system, and is usually manifested as either spider veins or varicose veins. Several treatments are available including endovenous thermal ablation (using radiofrequency or laser energy), vein stripping, ambulatory phlebectomy, foam sclerotherapy, laser, or compression. [citation needed]

  5. Post-thrombotic syndrome - Wikipedia

    en.wikipedia.org/wiki/Post-thrombotic_syndrome

    This valvular incompetence combined with persistent venous obstruction from thrombus increases the pressure in veins and capillaries. Venous hypertension induces a rupture of small superficial veins, subcutaneous hemorrhage [7] and an increase of tissue permeability. That is manifested by pain, swelling, discoloration, and even ulceration.

  6. Varicose veins - Wikipedia

    en.wikipedia.org/wiki/Varicose_veins

    Risk factors include obesity, lack of exercise, leg trauma, and family history of the condition. [3] They also develop more commonly during pregnancy. [3] Occasionally they result from chronic venous insufficiency. [2] Underlying causes include weak or damaged valves in the veins. [1]

  7. Wikipedia:Osmosis/Varicose veins - Wikipedia

    en.wikipedia.org/wiki/Wikipedia:Osmosis/Varicose...

    The venous circulation going back to the heart, on the other hand, is a low-pressure system with a central venous pressure around 5mm Hg. This means that the movement of blood has to rely heavily on what’s called the skeletal muscle pump, which is just a way of saying that it relies on the contraction of surrounding skeletal muscles, which ...

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