Ethics involves examining values and identifying what is good, right, and justified – and why. Diverse values and ethical issues run through healthcare improvement, but they are not always recognised or given the attention they need. While much effort goes into understanding whether intervention X effectively leads to change Y, questions such as 'is X ethically acceptable?', 'does Y count as an improvement?', 'should Y be prioritised?', and 'if so, why?' are sometimes neglected. This Eleme...