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. 2021 Oct 16;36(8):2536–2543. doi: 10.1053/j.jvca.2021.10.015

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Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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TEG Algorithm. A high FF indicating high fibrinogen activity is used in combination with CK MA to assess COVID-19 patient hypercoagulable state. Presence of clot may be treated with argatroban with/without anti-platelet therapy. FF = functional fibrinogen; Rapid TEG MA = Rapid TEG maximum amplitude indicative of platelet function + fibrinogen after extrinsic activation; CK MA = citrate-kaolin maximum amplitude; MA-ADP = maximum amplitude in the presence of P2Y12 adenosine diphosphate-receptor blocker.