The mnemonic
TAILS
What each word stands for
- TThalassaemia
- AAnaemia of chronic disease (may be microcytic)
- IIron deficiency
- LLead poisoning
- SSideroblastic anaemia
Why it matters clinically
Gives a quick differential before using ferritin and iron studies to separate them.
Where it stops being reliable
Does not distinguish between causes; anaemia of chronic disease is often normocytic.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.