differential diagnosis
Last reviewed 10/2022
Exclude other causes of thrombocytopenia:
- bone marrow disorders - usually have particular marrow features
- non-marrow causes - usually have systemic illness
Check drug usage including heparin in hospitalised patients.
Check for co-existing systemic lupus erythematous or chronic lymphocytic leukaemia.
thrombotic thrombocytopenia purpura
disseminated intravascular coagulation