Venous Doppler ultrasound for DVT Venous Doppler ultrasound for DVT. In this long-axis view, note the echogenic thrombus within the lumen of the popliteal vein. Source: VASCULAR DISEASE, Atlas of Cardiovascular Emergencies Citation: Lefebvre C, O'Neill JC, Cline DM. Atlas of Cardiovascular Emergencies; 2015 Available at: http://accessemergencymedicine.mhmedical.com/DownloadImage.aspx?image=/data/books/1206/lefebvre_ch6_fig-06-13.png&sec=72943826&BookID=1206&ChapterSecID=72943770&imagename= Accessed: December 27, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved