George Fritsma

MS, MLS, Lab Scientist, Educator, Author

George Fritsma is a medical laboratory scientist, educator, and author. George contributed five chapters to Keohane EM, Butina MM, Mirza KM, Walenga JM: Rodak’s Hematology; Clinical Principles and Applications, Seventh Edition, 2025, Elsevier; and is the co-author of Bennett A, Fritsma GA, Ernst DJ: Quick Guide to Blood Collection Edition 2, 2016, Marques MB, Fritsma GA: Quick Guide to Coagulation Testing Edition 3, 2015, and Reddy V, Marques MB, Fritsma GA: Quick Guide to Hematology Testing Edition 2, 2013, along with three additional titles, all published by AACC Press. He is a consultant in the Laboratory Medicine Department of Pathology at the University of Alabama at Birmingham. George is a member of the International Society on Thrombosis and Hemostasis, the International Society for Laboratory Hematology, and the American Society for Clinical Laboratory Science.

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October 2026 QQ: Which is NOT an APL?

Our October 2026 Quick Question is a quiz that asks, “Which is NOT an antiphospholipid antibody?” The choices are… Anti beta-2 glycoprotein 1 Alpha-2 antiplasmin Lupus anticoagulant Antiprothrombin Anticardiolipin Antiphospholipid antibodies are acquired autoantibodies that bind phospholipid-bound proteins. Please go to the question on the right of your screen, make your selection, and add your […]

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Blog

A World Thrombosis Day Post: Blood Clots Can Affect Anyone

Dr. Ali Sadeghi-Khomami: On World Thrombosis Day (13 October), a simple reminder: blood clots can affect anyone, and where a clot forms can have very different consequences. Let’s continue raising awareness about thrombosis, its risk factors, and the importance of early recognition. Know your risk. Recognize the signs. Take action.

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Thrombophilia

Reduced-dose DOACs in Cancer-associated Thrombosis

Click for this open-access retrospective cohort study reporting the safety and efficacy outcomes for reduced-dose DOACS: Santini P, Santagata D, Mosoni C, et al. Full- versus reduced-dose direct oral anticoagulants for extended treatment of cancer-associated thrombosis: a multicenter retrospective cohort study. Semin Thromb Hemost. 2026. doi: 10.1055/a-2904-5824. PMID: 42379243. Abstract Extended anticoagulation is recommended in […]

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Anticoagulant Therapy

What is Fibrinogen Longmont?

Click here for an open-access case report of a variant fibrinogen: Ma C, Li X, Yin D, et al. Rapid laboratory identification of fibrinogen Longmont: a case report and literature review. Front Med (Lausanne). 2026;13:1781076. doi: 10.3389/fmed.2026.1781076. PMID: 42440479; PMCID: PMC13333428. Abstract This study reports a case of a patient with unstable angina with abnormally […]

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Bleeding Disorders

Heparin Effect on Chemiluminescence HIT Testing

Check with your local library for this HIT testing report: Vong R, Pasalic L, Donikian D, Brighton T, Favaloro EJ. Effect of heparin on immunological heparin-induced thrombocytopenia-IgG chemiluminescence testing. Blood Coagul Fibrinolysis. 20261;37(7):329-335. doi: 10.1097/MBC.0000000000001456. PMID: 42615582. Heparin-induced thrombocytopenia (HIT) requires clinical evaluation and laboratory testing using immunological assays with confirmation by functional assays such […]

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Anticoagulant Therapy

Illustrated Review: Acquired Hemophilia A

Here is a richly illustrated review of acquired hemophilia A: Guillet B, d’Oiron R, Lacroix-Desmazes S, et al. Acquired hemophilia A: an illustrated review based on the French National Guidelines. Res Pract Thromb Haemost. 2026;10(5):106820. doi: 10.1016/j.rpth.2026.106820. PMID: 42657325; PMCID: PMC13508639. Abstract Acquired hemophilia A is a rare but potentially life-threatening autoimmune bleeding disorder caused […]

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Bleeding Disorders

Transfusion Journal Case Series: Inherited FX Deficiency

Here is an open-access review of inherited FX disorders: Chitlur M, Amos LE, Reding MT, Sabo C, Acharya SS. Characterization and management of patients with hereditary factor X deficiency: A case series. Transfusion. 2025;65(10):1786-1792. doi: 10.1111/trf.18377. PMID: 41104456; PMCID: PMC12531909. Abstract Background: Hereditary factor X deficiency (HFXD) is an ultra-rare, autosomal recessive bleeding disorder that […]

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Bleeding Disorders

Review: Inherited Bleeding Disorder in Women

Select this open-access review of inherited bleeding disorders in women: Connell NT, Davies J, Abdul-Kadir R, Kaplan Z. Obstetric and gynaecologic considerations in inherited bleeding disorders. Haemophilia. 2026. doi: 10.1111/hae.70267. PMID: 41988968. Abstract Women and girls with inherited bleeding disorders (IBD) face distinct gynaecologic and obstetric challenges, largely due to increased bleeding risk during key […]

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Bleeding Disorders

STH Review: Hemostasis and Menstrual Bleeding

This year’s World Thrombosis Day focuses on hemostasis issues in women. Select this open-access Seminars review: Dodart R, Ku DN. What stops menstrual bleeding? Hemostatic mechanisms in the menstruating endometrium. Semin Thromb Hemost. 2026. doi: 10.1055/a-2967-9335. PMID: 42843808. Abstract Menstrual bleeding is one of the most common physiological bleeding events in humans, yet the mechanisms […]

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Bleeding Disorders

The ISTH Pulse Podcast Series: Anti-factor XIa Antithrombotics

Select ISTH: The Pulse Podcast to access a series of presentations that describe the emerging anti-FXIa antithrombotics. The site requests registration.

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Anticoagulant Therapy

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