EM Hema 2: Transfusion Medicine

Question 1

platelet transfusion is indicated in anyone whose platelet count is

Answer 1

less than 5,000/mm3

Question 2

platelet transfusion is indicated in those with plt <10,000 if there’s

Answer 2

therepy-induced thrombocytopenia (e.g. chemotherapy)

Question 3

platelet transfusion is indicated in those with plt <20,000 if there’s

Answer 3

a coagulation disorder

or low-risk procedure (including central line placement)

Question 4

platelet transfusion is indicated in those with plt <50,000 if there’s

Answer 4

active bleeding,
lumbar puncture,
or major surgery

Question 5

platelet transfusion is indicated in those with plt <100,000 if there’s

Answer 5

neurologic surgery,
ophthalmologic surgery,
intracranial hemorrhage, or
major multisystem trauma

Question 6

platelets are generally not indicated for

Answer 6

ITP, TTP, or HIT,

except in the context of ongoing severe bleeding