Warm autoimmune haemolytic anaemia — SCE Acute Medicine MCQ
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Correct answer: A — Start prednisolone and transfuse suitably matched blood for life-threatening anaemia
Explanation lettering: B = shown as A · A = shown as B · D = shown as C · C = shown as D
B is correct. Symptomatic haemoglobin of 49 g/L is life-threatening warm autoimmune haemolytic anaemia. Start first-line prednisolone, normally 1 mg/kg/day, and do not withhold necessary transfusion while waiting for serological perfection; transfusion staff should provide ABO-, Rh- and K-matched, antigen-selected blood after excluding clinically significant alloantibodies as far as time allows. Rituximab is generally second-line or adjunctive, splenectomy is not the first emergency step, and warming is principally relevant to clinically significant cold antibodies.
Reference: https://onlinelibrary.wiley.com/doi/full/10.1111/bjh.14478