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. 2021 Jul 28;22(1 Suppl):18–31. doi: 10.1177/11297298211018060

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© The Author(s) 2021

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 3. — B-Mode image of an arteriovenous graft. Typical grey scale image of a linear radial-cephalic antecubital linear graft (double-track sign) (a). Loop graft are usually placed within the forearm and anastomosed to the brachial artery and the basilic or brachial vein. Linear bridge in PTFE between antecubital radial artery and basilic vein after the thrombosis of vein draining proximal radio-cephalic fistula (*anastomotic chamber) (b). Intraluminal thrombotic material downstream of the venous anastomosis between prosthesis (*) and native cephalic vein (c).