page_title: Ultrasonography of deep vein thrombosis
hierarchical_section_title: Ultrasonography of deep vein thrombosis
caption_attribution_description: English: Doppler ultrasonography of the right leg of a 65 year old man with a swollen right leg. It shows deep vein thrombosis in the subsartorial vein. There is absence of blood flow as well as hyperechogenicity in the thrombosed vessel, as compared to the deep femoral vein and the femoral artery.
context_page_description: Ultrasonography in suspected deep vein thrombosis focuses primarily on the femoral vein and the popliteal vein, because thrombi in these veins are associated with the greatest risk of harmful pulmonary embolism.
context_section_description: Ultrasonography in suspected deep vein thrombosis focuses primarily on the femoral vein and the popliteal vein, because thrombi in these veins are associated with the greatest risk of harmful pulmonary embolism.
caption: Doppler ultrasonography showing absence of flow and hyperechogenic content in deep vein thrombosis of the subsartorial vein.
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