Reminder: You are invited to our Tuesday, tomorrow, September 15, 2020 webinar, Covid-Associated Coagulopathy: A Conversation about the Controversies and Confusion featuring pathology expert Andrew J. Goodwin, MD, University of Vermont Medical Center Laboratory Director.
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Sep 14, 2020 6:50pm
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Sep 2, 2020 9:15am
Yesterday, 9-1-20, a colleague contacted George [me] because her physcian had ordered a PT
and PTT
as part of a pre-procedural workup. She asked what the PT/PTT accomplished, and both the physician and nurse practitioner offered no
explanation. After considerable discussion, the PT/PTT order was canceled.
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Sep 2, 2020 8:46am
Hi, I used to work in special coag at
VCU, it was over 10 years ago. When we were freezing specimens we had to double spin them at
3500 rpm for 15 minutes. Our quick-spin centrifuges for PT/PTT could cause the platelets to leak out their activation factors. Where I now work, we called Mayo and UVA who claim to have never heard of this. I only process for send outs occasionally but when I do I cannot bring myself to use the quick centrifuges since I was trained differently, however, if this is an outdated practice, I can change but I don't want to do so without verification from someone I trust. Thank you, Anne.
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Aug 29, 2020 8:28pm
Hemostasis laboratory directors are aware of the problems created by the variety of D-dimer result expressions. D-dimer reagent kit manufacturers have failed to harmonize results, in part because their reagent monoclonal antibodies possess variant specificities, and in part because some report results in "D-dimer units" [DDUs] and some in "fibrinogen equivalent units" [FEUs].
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