The mnemonic
Prim-Pri-Sec-Ter
What each word stands for
- PrimordialPrevent risk factors from emerging
- PrimaryPrevent disease in the exposed, such as immunisation
- SecondaryEarly diagnosis and treatment
- TertiaryLimit disability and rehabilitate
Why it matters clinically
Lets you place any intervention, from vaccination to physiotherapy, at its correct level.
Where it stops being reliable
It lists the levels only; it does not tell you which examples belong to which level.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.