Lack of movement of vein system walls with manual compression is suggestive of the presence of thrombosis. Color can help identify vascular structures and confirm no venous flow. This video shows thrombosis of the popliteal vein, part of the deep venous system of the leg.
in this video we see the curvilinear scanner placed on a musculoskeletal or superficial setting on the posterior knee and what we find here is the popliteal artery and the popliteal vein superficial to the artery and as we play the video we'll see with compressive dynamic scanning as the walls of the artery get squeezed the walls of the vein do not move and budge and you can actually visualize some debris or thrombus inside the vein and by turning on color doppler signal we can positively identify that there is positive vascular or arterial flow here in the artery but not in the vein interestingly also we see one of the caffeines here that likely connects with the popliteal vein and it also has thrombus suggesting there's thrombus extending down into the calf and this represents a deep veinous thrombosis of the leg
