William Aird

@WilliamAird4 · Boston, MA · joined 08 Aug 2021

Professor of Medicine at Harvard Medical School #Hematology #MedEd Founder of @TheBloodProjec1

31 318Followers

324Following

5 298Posts total

724KViews on collected posts

Neueste Beiträge

William Aird@WilliamAird414 Sep

FOOD FOR THOUGHT If Hct ~45% is already near optimal for O₂ delivery, why does blood doping work? 2.9K views · 8 likes · 0 reposts · 2 replies Open on X →

William Aird@WilliamAird414 Sep

1/3 I CHANGED MY MIND ABOUT RETICULOCYTES For years, my rule was simple: ARC ≥120 × 10⁹/L? Regenerative. Stop there. No grades, just pass/fail. I no longer think that's quite right. 4.9K views · 53 likes · 6 reposts · 1 replies Open on X →

William Aird@WilliamAird414 Sep

@WilliamAird4 Persistent unexplained high B12 shouldn't be dismissed just because the patient 'looks healthy.' We see the same reflexive dismissal of abnormal labs in ME/CFS patients constantly. 1.9K views · 0 likes · 0 reposts · 1 replies Open on X →

William Aird@WilliamAird414 Sep

3/4 Think about low B12. Hematologists see B12 deficiency when it causes anemia or other cytopenias. We generally don't see patients whose B12 deficiency manifests only as neurologic disease or chronic atrophic gastritis. Why should high B12 be different? 3.1K views · 6 likes · 1 reposts · 1 replies Open on X →

William Aird@WilliamAird414 Sep

4/4 A persistently elevated B12 may warrant evaluation. But hematology should get involved when there is evidence of a hematologic disorder, not simply because the B12 is high. 2.8K views · 24 likes · 3 reposts · 6 replies Open on X →

William Aird@WilliamAird414 Sep

WHO OWNS A HIGH B12? A referral to my clinic last week prompted me to ask: An otherwise healthy patient has a persistently elevated vitamin B12 level. When should hematology get involved? 768 people voted. 21.5K views · 62 likes · 5 reposts · 3 replies Open on X →

William Aird@WilliamAird414 Sep

2/4 Results: • 62%: If CBC/smear is abnormal • 22%: If no cause is found • 11%: All such patients • 6%: Only if B12 is very high I agree with the majority. 3K views · 5 likes · 1 reposts · 1 replies Open on X →

William Aird@WilliamAird414 Sep

SPLENIC INFARCTION A splenic infarct tells you what happened. It does not tell you why. Embolism? In-situ thrombosis? APS or MPN? Sickling? Babesiosis or malaria? Venous outflow obstruction? 5.2K views · 52 likes · 7 reposts · 1 replies Open on X →

William Aird@WilliamAird413 Sep 2024

@WilliamAird4 Sir please give directions regarding * Thank you https://t.co/WLtM1JHEqS

422 views · 5 likes · 1 reposts · 0 replies Open on X →

William Aird@WilliamAird430 May 2024

@WilliamAird4 Prof. William, other rare causes: https://t.co/90s6yQh6yR

1.3K views · 9 likes · 2 reposts · 0 replies Open on X →

William Aird@WilliamAird429 May 2024

@WilliamAird4 Anemia: Approach and Evaluation https://t.co/dkzxXg3PlF 4.7K views · 45 likes · 12 reposts · 0 replies Open on X →

William Aird@WilliamAird428 May 2024

ANEMIA CLASSIFICATION https://t.co/18rarvMNjI

672.2K views · 6.4K likes · 1.2K reposts · 23 replies Open on X →

Im Vergleich zu Konten gleicher Größe

8 Beiträge aus den letzten 90 Tagen, verglichen mit der Größenklasse 10K–100K Follower. wird weit gezeigt, aber nur wenige dieser Zuschauer reagieren.

Medianaufrufe3 026dieses Konto924Median für 10K–100K

Reichweite, %9.66%dieses Konto3.62%Median für 10K–100K

Interaktion, %0.33%dieses Konto1.52%Median für 10K–100K

Kennzahl	Dieses Konto	Median für 10K–100K	Verhältnis
Medianaufrufe pro Beitrag	3 026	924	3.27×
Reichweite (Aufrufe ÷ Follower)	9.66%	3.62%	2.67×
Interaktionsrate	0.33%	1.52%	0.22×

Weitere Konten dieser Größe → Mit einem anderen Konto vergleichen → Wie diese Vergleichswerte entstehen →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

672.2K28 May

4.7K29 May

1.3K30 May

42213 Sep

5.2K14 Sep

21.5K

2.8K

3.1K

1.9K

4.9K

2.9K

Last 12 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

1.13%28 May

1.21%29 May

0.87%30 May

1.42%13 Sep

1.15%14 Sep

0.23%

0.33%

1.18%

0.26%

0.05%

1.22%

0.34%

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.52%.

What the audience does

Likes54.4%6 690 in total

Reposts9.9%1 216 in total

Replies0.3%39 in total

Bookmarks35.4%4 348 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

The follower curve appears once this account has two daily snapshots — we take one a day, and this one is on its first.

Neueste Beiträge

Im Vergleich zu Konten gleicher Größe

Growth & engagement

Views per post

Engagement rate per post

What the audience does

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