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2. Ultrasonography of chronic venous insufficiency of the legs

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

   Also, unlike ultrasonography of deep venous thrombosis, the procedure focuses mainly on superficial veins. Also, unlike the arterial ultrasound examination, blood velocity in veins has no diagnostic meaning. Veins are a draining system similar to a low pressure hydraulic system, with a laminar flow and a low velocity.

3. Ultrasonography of deep vein thrombosis - Wikipedia

   en.wikipedia.org/wiki/Ultrasonography_of_deep...

   The location of the thrombus and its detail will inform of the seriousness of the condition. In a deep vein thrombosis (DVT), or in a superficial vein thrombosis where the thrombus is floating, an emergency situation will be indicated. If the thrombus is near to the sapheno-femoral junction there will be a high risk of a pulmonary embolism ...

4. Angiography - Wikipedia

   en.wikipedia.org/wiki/Angiography

   Angiography is also commonly performed to identify vessels narrowing in patients with leg claudication or cramps, caused by reduced blood flow down the legs and to the feet; in patients with renal stenosis (which commonly causes high blood pressure) and can be used in the head to find and repair stroke. These are all done routinely through the ...

5. Chronic venous insufficiency - Wikipedia

   en.wikipedia.org/wiki/Chronic_venous_insufficiency

   Deep and superficial vein thrombosis may in turn be caused by thrombophilia, which is an increased propensity of forming blood clots. [citation needed] Arteriovenous fistula (an abnormal connection or passageway between an artery and a vein) may cause chronic venous insufficiency even with working vein valves. [citation needed]

6. Vascular disease - Wikipedia

   en.wikipedia.org/wiki/Vascular_disease

   Peripheral artery disease – occurs when atheromatous plaques build up in the arteries that supply blood to the arms and legs, causing the arteries to narrow or become blocked. [ 1 ] Erythromelalgia - a rare peripheral vascular disease with symptoms that include burning pain, increased temperature, erythema and swelling that generally affect ...

7. Popliteal vein - Wikipedia

   en.wikipedia.org/wiki/Popliteal_vein

   The popliteal vein is a vein of the lower limb. It is formed from the anterior tibial vein and the posterior tibial vein. It travels medial to the popliteal artery, and becomes the femoral vein. It drains blood from the leg. It can be assessed using medical ultrasound. It can be affected by popliteal vein entrapment.