William Aird/X
Sep 25, 2025, 05:56
William Aird: Why Does The PLASMIC Score For TTP Include A “Low” MCV?
William Aird, Professor of Medicine at Harvard Medical School, posted on X:
” 1/2
LOW MEAN CELL VOLUME AS MARKER OF TTP
Why does the PLASMIC score for TTP include a “low” MCV?
Because schistocytes are, by definition, smaller than mature RBCs → ↓MCV.
2/2
Why is the cutoff in the PLASMIC score <90 fL (not <80, which is lower limit of normal)?
Because the drop is modest (schistocytes are few vs intact RBCs) and because it’s partly offset by reticulocytosis (↑MCV).
Check out here.”
Stay updated with Hemostasis Today.
-
Jul 2, 2026, 13:16Nathan Connell: Is It Time to Rethink What We Tell Hemophilia B Carriers About Pregnancy?
-
Jul 2, 2026, 13:09Bruce Ovbiagele: WSO SCDKIDS Task Force’s Webinar Sheds Light On Care of Sickle Cell Disease-Related Stroke
-
Jul 2, 2026, 12:55Taraneh G. Farazi: The Latest Stroke Clinician Issue Highlights the Importance of Patient Voices in Dysphagia Care
-
Jul 2, 2026, 12:45Kaveh Mehrvar: The Gut–Brain Axis May Hold New Clues to Stroke Pathophysiology
-
Jul 2, 2026, 12:28Expanding Stroke Education Through Mobile Stroke Clinics – Ethiopia Stroke Foundation
-
Jul 2, 2026, 11:52Praveen Kumar Tirlangi: A New Mechanism of Bleeding in Kyasanur Forest Disease
-
Jul 2, 2026, 11:17Heghine Khachatryan: Novel Biomarkers for Cancer-Associated Thrombosis
-
Jul 2, 2026, 11:17Neeraj Jain: Maharashtra Is Setting the Pace for Integrated Hemoglobinopathy Care
-
Jul 2, 2026, 11:11Safaa Hilal: Improving Postpartum Hemorrhage Outcomes Through Early Warning Scores