Category: Uncategorized

More on Age-Adjusted D-dimer Limits

I’d like to draw your attention to the numerous and insightful responses to Sylvia Stacy‘s question about applying age-adjusted D-dimer limits to venous thromboembolic disease diagnosis, especially Dr. Giuseppe Lippi’s entry with a link to his brief questionnaire, which he intends to keep open through February, 2015. Let’s give Dr. Lippi as many responses as possible.

Updated Events Calendar

George just updated our 2014–15 Events Calendar to include next year’s ISLH and ISTH meetings. If you would like your meeting displayed on the Fritsma Factor, please email George.


As anticipated, Ben Troyer’s August 31, 2014 question about STAT lupus anticoagulant testing drew a number of comments. George also discussed the question with local colleagues who brought up the rare possibility of catastrophic antiphospholipid syndrome (CAPS, Asherson Syndrome), see attached article for description. This may be an additional reason for ordering a STAT LA test, however we agreed it is not a reason for listing LA as a STAT procedure.


Medical Laboratory Professionals’ Week

Welcome to Medical Laboratory Professionals’ Week, April 20–26. We are the hidden profession that saves lives. In celebration, we’ve added a new audio PowerPoint to our series, Hematology Case Studies: Lupus Anticoagulant Profile and Specimen Management. Continue to consult with Fritsma Factor, as we receive new and updated entries regularly.

World Hemophilia Day

From Elaine Benoit, Precision BioLogic. Hi, George. Thursday, April 17 was World Hemophilia Day. Precision is a sponsor of the World Federation of Hemophilia and as part of their World Hemophilia Day activities, we had the opportunity to create and submit an infographic that they posted on their Facebook page. There are several infographics there; ours depicts hemophilia from a child’s perspective – how a young boy might describe his experiences to a friend. Take a look!

Trauma-Induced Coagulopathy: Kansas City

George presents “Trauma-Induced Coagulopathy” at the spring meeting, A Patchwork of Knowledge, of the American Society of Clinical Laboratory Science–Missouri (ASCLS-MO) and Kansas (ASCLS-KS) on April 16, 2014 at 9:45 AM. The presentation handout, updated April 15, 2014, is posted here: Hemostasis in Trauma 4-16-14

Aug-Sept Cheat Sheet Now Available

We’ve had lots of activity in August, September, and October. The Cheat Sheet summarizing our August and September posts is now available and will be delivered to your mailbox next week. Geo.

Greetings from Ireland

George is travelling and unfortunately the power supply for his MacBook Pro has gone down leaving George with limited access to The Fritsma Factor for the next two weeks. Please bear with him during this time as his usual prompt responses to questions and posts will be a bit delayed. Thank you for your patience.

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