Mark Lewis/netrf.org
Aug 18, 2025, 09:45
Mark Lewis: aPTT Pathway—What Activates What
Mark Lewis, Director of Gastrointestinal Oncology at Intermountain Healthcare in Utah, shared a post X:
“So factor XII is activated when it’s exposed to collagen, kallikrein, and high molecular weight kininogen, which in turn activates factor XI into XIa. With a calcium ion, factor XIa activates factor IX. Then, FIXa, FVIIIa, and calcium activate factor X…”
Stay in tune with Hemostasis Today.
-
Feb 23, 2026, 16:50Mutaz Al‑Sabah: Interesting Webinar on FH in Women is Now Available to Watch
-
Feb 23, 2026, 16:36Stéphanie Roullet։ New Method to Explore Primary Haemostasis in Cirrhotic Patients
-
Feb 23, 2026, 16:33Salvatore Massimo Petrina: Top 5 Game-Changers in the AHA and ACC PE Guidelines
-
Feb 23, 2026, 16:21Azin Alizadehasl: Introducing the Second Edition of a New Book on Echocardiography and Cardiac MRI
-
Feb 23, 2026, 16:16Kalyan Roy: When and Why Blood Irradiation Matters in Transfusion Medicine
-
Feb 23, 2026, 15:59Ney Carter Borges: Antithrombotic Therapy in 2025 – A Precision-Based Pharmacologic Update
-
Feb 23, 2026, 15:54Alan Nurden: From Early Discoveries to New Therapeutic Advances in von Willebrand Disease
-
Feb 23, 2026, 15:52Gevorg Tamamyan: Albania’s Vision for the Future of Pediatric Oncology
-
Feb 23, 2026, 15:36Simon Senanu: The Peripheral Blood Smear as an Essential Diagnostic Tool in Modern Medicine