Anaemia (Regenerative (Look at total protein (Normal (Haemolysis…
Look at total protein
Loss of whole blood
Anaemia present for >5 days?
Possibly too acute to see regeneration response
Increased hepcidin will reduce ferroportin and prevent Fe uptake.
Reduced EPO causing reduced RBC synthesis
Bone marrow disease
Will have atypical cells in blood and pancytopaenia
Space occupying lesion in bone marrow
Cytokine release and chronic inflammation