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Haematology · Pattern recognition

Transfusion reactions

5 findings. Cover the answers and work down the list — then flip it and predict the finding from the diagnosis.

fever, loin pain, hypotension and dark urine within minutesAcute haemolytic (ABO incompatibility)
isolated fever, otherwise well (commonest)Febrile non-haemolytic reaction
urticaria; or airway/shock in an IgA-deficient patientAllergic reaction / anaphylaxis
pulmonary oedema with HYPERTENSION and raised JVPTACO (circulatory overload)
hypoxia with bilateral infiltrates, NORMAL volume, within 6 hTRALI