William Aird/X
Jul 26, 2025, 13:16
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
It’s a diagnosis of exclusion, typically with:
- Isolated thrombocytopenia (PLT < 100k)
- No splenomegaly
- No evidence of other causes (e.g., meds, infections)
Think ITP when the platelets are low, but everything else looks… normal.”

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