William Aird - Hemostasis Today | Hemostasis News, Insights, Stories

October 2026
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Sep 28, 2026, 14:39 | Voices

William Aird: Gulliver’s Atlas - Mapping the Evolution of the Vertebrate Red Cell

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn։ "Gulliver's…

Sep 20, 2026, 04:54 | Voices

William Aird: What Does a Complete History and Physical Really Mean?

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn։ "What…

Sep 14, 2026, 14:43 | Voices

William Aird: What if Your Red Blood Cells Make Alcohol?

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn։ "What…

Sep 13, 2026, 16:49 | Insight

William Aird: Why Is LDH Elevated In Splenic Infarction?

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X about a…

Aug 30, 2026, 16:07 | Voices

William Aird: Why Does the Mentzer Index Work?

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: "Why…

Aug 30, 2026, 12:57 | Voices

William Aird: Thalassemia Trait or Iron Deficiency?

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn: "Thalassemia…

Aug 25, 2026, 11:08 | Voices

William Aird: Iron Deficiency vs. Inflammation - Look at the Minivans

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: "Same minivans,…

Aug 4, 2026, 03:13 | Voices

William Aird: Understanding von Willebrand Disease - A Visual Roadmap

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn: "Understanding…

Jul 30, 2026, 13:32 | Voices

William Aird: Interpreting Polyclonal Gammopathy

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: "Polyclonal…

Jul 19, 2026, 16:37 | Voices

William Aird: A Visual Guide to Understanding von Willebrand Disease

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn: ''Understanding von…

Jul 8, 2026, 16:23 | Voices

William Aird: A Basic Architecture of Hematology

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn: "A…

Jul 7, 2026, 20:59 | Voices

William Aird: An Unlucky Turn Into the Renal Artery

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: "An unlucky…

Jul 5, 2026, 13:15 | Voices

William Aird: Was Hematology–Oncology an Inevitable Partnership?

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn: "A…

Jul 2, 2026, 16:13 | Voices

William Aird: When Deciding whether an Adult Patient is Anemic, Which Do You Usually Use?

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: "When deciding…

Jun 16, 2026, 09:26 | Voices

William Aird: Introducing The Blood Project’s CAD Topic Module

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn: "I'm…

Jun 8, 2026, 12:21 | Voices

William Aird: Developing Patient-Facing Educational Material for The Blood Project

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn: "We have…

May 20, 2026, 15:00 | Voices

William Aird: When Oxygen Becomes the Limiting Factor

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn: ''When…

May 7, 2026, 15:00 | Voices

William Aird։ Not Every Clot Is DOAC Failure

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: ''I recently…

May 5, 2026, 13:58 | Voices

Hb vs Hct: Who's in charge? - William Aird

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: ''Hb vs…

May 2, 2026, 15:16 | Voices

William Aird: When Platelets Rise in Infection

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: "When platelets…

Apr 30, 2026, 13:01 | Voices

William Aird: When Inducers Make DOACs Fail

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: "Saw…

Apr 23, 2026, 15:38 | Voices

William Aird: Do We Really Need MCH?

William Aird, Professor of Medicine at Harvard Medical School, posted on X: ''Do we really need MCH?…

Apr 21, 2026, 15:09 | Voices

William Aird: White Blood Cells Unpacked

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: "The…

Apr 20, 2026, 11:15 | Voices

William Aird: A Physiological Approach to Anemia

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: "Aproach to…

Apr 18, 2026, 18:55 | Voices

William Aird: Ferritin as a Probability Signal

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: ''Ferritin…

Apr 17, 2026, 16:00 | Voices

William Aird: The Satisfaction of Recognising the Symptom Patterns in Iron Deficiency

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn: "Confession…

Apr 12, 2026, 13:42 | Voices

William Aird: Anemia of Inflammation Not Just a Trade-Off but a Possible Compensation

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn: ''Anemia of…

Apr 11, 2026, 13:35 | Voices

William Aird: Why Did Mammalian Red Blood Cells Give Up Their Nucleus?

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn: "Why…

Mar 30, 2026, 14:20 | Voices

William Aird: Thinking Before Searching in Clinical Decision Making

William Aird, Professor of Medicine at Harvard Medical School, shared a post on LinkedIn: "Modern…

Jan 12, 2026, 02:54 | Voices

Discover the New Blood Project․ Enhanced Search, Browsing, and Learning Resources

William Aird, Professor of Medicine at Harvard Medical School, posted on X: “ We’ve redesigned…

Dec 29, 2025, 21:46 | Insight

William Aird - Acute Rise in Total Protein Without Any Change in Albumin: What’s the Best Explanation?

William Aird, Professor of Medicine at Harvard Medical School, posted on X: "1/7 I recently posted a…

Dec 12, 2025, 08:30 | Voices

William Aird: Hemostasis in One Picture

William Aird, Professor of Medicine at Harvard Medical School, posted on X: "Here’s hemostasis in one picture:…

Dec 10, 2025, 04:55 | Science

William Aird: A Snapshot of What TBP Patient Education Will Look Like Going Forward

William Aird, Professor of Medicine at Harvard Medical School, posted on X: "TBP PATIENT INFO Updated: Our…

Dec 9, 2025, 08:07 | Science

William Aird: Understanding Polycythemia

William Aird, Professor of Medicine at Harvard Medical School, posted on X: "New! Our polycythemia patient package…

Dec 8, 2025, 08:11 | Insight

William Aird: RBC Traveling Through the Portal Vein After a "Meal"

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: "Yesterday…

Nov 21, 2025, 06:20 | Voices

William Aird: Did You Know? - Leukocytosis Take Years to Resolve After Smoking Cessation

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: "DID…

Nov 12, 2025, 06:25 | Science

William Aird - VWD: Most Common Inherited Bleeding Disorder

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: "vWD Most…

Nov 4, 2025, 09:18 | Insight

William Aird: Medicine In The Trenches

William Aird, Professor of Medicine at Harvard Medical School, posted on X: "MEDICINE IN THE TRENCHES A…

Oct 30, 2025, 07:55 | Insight

“Marrow Asleep or Awake?”: William Aird Simplifies Anemia Diagnosis

William Aird, Professor of Medicine at Harvard Medical School, posted on X: ՛՛1/4 RETIC…

Oct 22, 2025, 04:22 | Science

NSAIDs and Menstrual Bleeding․ Explaining the Paradox

William Aird, Professor of Medicine at Harvard Medical School, posted on X: “Aren’t NSAIDs supposed…

Oct 13, 2025, 04:58 | Science

William Aird: Rethinking Hemolysis Classification

William Aird, Professor of Medicine at Harvard Medical School, posted on X: "1/6 RETHINKING HEMOLYSIS CLASSIFICATION…

Oct 10, 2025, 12:14 | Insight

William Aird: Thalassemia Trait is a Quiet Experiment of Nature

William Aird, Professor of Medicine at Harvard Medical School, posted on X: ”Thalassemia trait is…

Oct 9, 2025, 13:11 | Insight

William Aird: Understanding the Ferritin Surge After IV Iron

William Aird, Professor of Medicine at Harvard Medical School, posted on X: ”IV Iron and…

Oct 2, 2025, 07:29 | Science

Persistent Mild Leukocytosis in Obesity․ Benign or Warning Sign?

William Aird, Professor of Medicine at Harvard Medical School, posted on X. ” Obesity can…

Sep 30, 2025, 15:41 | Insight

William Aird: Did You Know All Blood-Feeding Organisms Carry Anticoagulants to Keep a Meal Liquid?

William Aird, Professor of Medicine at Harvard Medical School, posted on X: "1/2 NATURE'S LAB MANUAL Did…

Sep 25, 2025, 05:56 | Insight

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…

Sep 23, 2025, 19:03 | Insight

RBC Inclusions Decoded: Diagnostic Pearls from William Aird

William Aird, Professor of Medicine at Harvard Medical School, posted on X: ''1/7 RBC…

Sep 23, 2025, 06:36 | Voices

William Aird: Standardizing Anemia, Thrombocytopenia, and Neutropenia Cutoffs

William Aird, Professor of Medicine at Harvard Medical School, posted on X: "MILD, MODERATE, SEVERE... ACCORDING TO…

Sep 22, 2025, 06:00 | Blog

Isolated Neutropenia: A Diagnostic Blind Spot in Hematology

William Aird, Professor of Medicine at Harvard Medical School, posted on X: ”ISOLATED NEUTROPENIA Saw…

Sep 21, 2025, 16:39 | Insight

William Aird Explores Non-Anemic Iron Deficiency (NAID) with New Graphic and Tutorial

William Aird, Professor of Medicine at Harvard Medical School, posted on X: ''MORE ON…

Sep 18, 2025, 07:31 | Insight

William Aird: New TTP Topic Module Brings Multimodal Learning to Hematology

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: “BIG NEWS…

Sep 17, 2025, 10:54 | Insight

Mitapivat Boosts ATP in Red Cells: Dr. William Aird on New Hope for Hemolytic Disorder

William Aird, Professor of Medicine at Harvard Medical School, posted on X: ''POWERING UP…

Sep 2, 2025, 08:49 | Insight

Why Polycythemia Vera Doesn’t Raise EPO Levels Explained by William Aird

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: “Why…

Aug 21, 2025, 15:08 | Insight

Does Hypersplenism Cause Thrombocytopenia? Insights from William Aird

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: “DOES…

Aug 18, 2025, 08:48 | Insight

William Aird: Physical Exam in Hit

William Aird, Professor of Medicine at Harvard Medical School and Hematologist at Beth Israel Deaconess,…

Aug 16, 2025, 14:00 | Insight

Iron Deficiency in Polycythemia Vera: William Aird Reveals JAK2-Driven Erythropoiesis as The Key Cause

William Aird, Professor of Medicine at Harvard Medical School, shared an insightful thread on X:…

Aug 6, 2025, 10:58 | Insight

William Aird Explains Why Whales and Dolphins Lack Factor XII

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: “WHALES…

Aug 2, 2025, 17:44 | Insight

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…

Jul 30, 2025, 14:53 | Science

William Aird on Hematological Manifestations of Anorexia Nervosa

William Aird, Professor of Medicine at Harvard Medical School, shared an insightful post on X:…

Jul 26, 2025, 18:32 | Insight

From Jawless Fish to Mammals: Clotting Cascade Origins

Dr. William Aird, Professor of Medicine at Harvard Medical School, has posted on X: “Origins of…

Jul 26, 2025, 13:16 | Insight

Dr. William Aird on Diagnosing ITP: Key Clinical Clues

Dr. William Aird, Professor of Medicine at Harvard Medical School, has posted on X: “DIAGNOSING ITP…

Jul 15, 2025, 07:25 | Insight

Rethinking Thrombocytosis: Dr. William Aird’s 3-Category Approach

Dr. William Aird, Professor of Medicine at Harvard Medical School, has posted on X: “RETHINKING THROMBOCYTOSIS Instead…

Jul 8, 2025, 07:50 | Science

Case Report by William Aird

William Aird, Professor of Medicine at Harvard Medical School, shared a post on X: "PSEUDOTHROMBOCYTOPENIA…

Jul 7, 2025, 11:42 | Insight

What Drives Essential Thrombocythemia? Dr. William Aird on the Pathophysiology of Platelet Overproduction

Dr. William Aird, Professor of Medicine at Harvard Medical School, has posted on X: “Essential…

Jun 21, 2025, 12:07 | Science

William Aird: Don’t Expect Bleeding - Look for Thrombosis

William Aird, Professor of Medicine at Harvard Medical School and Founder of The Blood Project,…

Jun 18, 2025, 08:19 | Science

William Aird: Thrombocytosis - Know the difference, think before you refer

William Aird, Professor of Medicine at Harvard Medical School and Founder of The Blood Project,…

Jun 11, 2025, 09:41 | Insight

Decoding Coagulopathy: A Simple Tool to Diagnose Overt DIC-by William Aird

Dr. William Aird highlights on X the clinical power of the ISTH DIC Scoring System…

Jun 11, 2025, 08:42 | Voices

Unmasking Thrombocytosis: What a High Platelet Count Really Means

Dr. William Aird reminds us on X that not all elevated platelet counts are alike,…

All: 68 Posts: 1 - 100

10 Posts Not to Miss This Week

Choosing the Right VTE Risk Assessment Model for Clinical Practice

Dianne E. van der Wal: Cryopreserved Platelets in Transfusion Medicine

Clusterin Regulates von Willebrand Factor Multimer Stability Through ADAMTS13 Inhibition

Lainie Kazan’s Story and the Clinical Risks of Post-Injury Immobilization

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