William Aird/X
Aug 2, 2025, 17:44
Understanding ESR: Dr. William Aird Breaks Down the Factors Behind Sedimentation Rate Changes
William Aird, Professor of Medicine at Harvard Medical School, shared a post on X:
“WHAT DETERMINES THE ESR?
↑ ESR: ↑ fibrinogen, ↑ immunoglobulins, ↓ Hct
↓ ESR: poikilocytosis, ↓ RBC deformability, ↑ Hct, ↑ plasma viscosity
Red cell stacking speeds it up. Resistance slows it down.”

Read The Blood Project here.
Stay updated on the latest with Hemostasis Today.
-
Feb 3, 2026, 10:53Aurelio Maggio: The Final Chapter of Our Journey Through Thalassemia
-
Feb 3, 2026, 10:40Pedro Perez: Post-Thrombectomy DVT Recovery in 2026 – Closing the Loop on Outcomes
-
Feb 3, 2026, 10:26Ryan Williams: This Article Brings to Light The Complexity of PRP…
-
Feb 3, 2026, 10:05Tiago Lopes: Can AI Predict Immune Reactions of New Drugs? Yes!
-
Feb 3, 2026, 09:51Rucha Patil Reflects on 49th MHG Annual Conference and Essence of ASH 2025
-
Feb 3, 2026, 09:37Grigoris Gerotziafas on VTE in MM and BCMA: We Are Pleased to Announce Our New Systematic Review
-
Feb 3, 2026, 09:24Early-Bird Registration for the WFH 2026 World Congress is Now Open
-
Feb 3, 2026, 09:15Joshua Bernstock: Prehospital Stroke Triage Has Hit a Ceiling
-
Feb 3, 2026, 09:00A Major Highlight of 2025 and Honour For Me: Ashkan Shoamanesh at Huashan International Stroke Conference