- from: platelet disorders
Approach to thrombocytopenia
-
isolated thrombocytopnea otherwise normal complete 🩸 count and smear
- autoimmune disease? meds? infection?
- ITP
- 2ndary immune, medications, infections
- autoimmune disease? meds? infection?
-
abnromal complete 🩸 count and/or smear
- spherocytes: Evan’s synd.
- schistocytes:
- disseminated intravascular coagulation
- hemolytic uremic syndrome/thrombotic thrombocytopenic purpura
- Mech. circulation support
- pancytopenia and or blasts:
- aplastic anemia
- myelodysplastic syndrome MDS
- leukemia
- leukoerythroblastic: meylophthisis a.k.a fibrosis
-
TLDR:
-
Step 1 if the count less than 150k, than check if anemia
-
if anemia, do bone marrow
-
else check smear:
- if Fragmented RBC: MAHA
- else: survey for 2nd (Drug, Infection, and Congential)
- then ITP