Lower Extremity Vein Anatomy
The superficial veins are located within the subcutaneous tissue whilst the deep veins are found deep to the deep fascia. Additionally ultrasound is used to guide endovenous procedures such as foam sclerosant injection endovenous laser therapy evlt or radiofrequency ablation rfa for the treatment of superficial venous disease.
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Veins of the lower limb.
Lower extremity vein anatomy. The venous system of the lower extremities includes the deep veins which lie beneath the muscular fascia and drain the lower extremity muscles. The superficial veins which are above the deep fascia and drain the cutaneous microcirculation. Lower limb venous duplex imaging can be used for the assessment of patients with primary or recurrent varicose veins or for the investigation of patients with skin changes and venous ulceration.
The lower extremity venous anatomy is divided into three interconnected systems. And the perforating veins that penetrate the muscular fascia and connect the superficial and deep veins. Deep superficial and perforating veins.
The veins rely on a more passive and indirect mechanism to help aid in the return of blood to the heart. Inguinal perforators drain into the femoral vein in the proximal thigh. The lower limb consists of two main types of veins.
Valves in superficial veins of the lower extremity usually are located near to the termination of major tributaries. Some valves are well developed with marked sinusoid dilation at their base others are more delicate in their structure. In us examination of the lower extremity veins knowledge of the venous anatomy as well as appropriate patient positioning and transducer placement are important for optimal imaging and accurate diagnosis.
In the pelvis and lower extremities blood in the veins has to fight gravity in order to flow in the correct direction. Lower extremity venous anatomy. The venous system of the lower extremities is divided into three groups.
The deep veins accompany the major arteries and their branches and are usually paired.
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