“…Multiple reasons exist for under-diagnosis, including, amongst others, a general lack of delirium training at all levels including in undergraduate education 249 , attitudes such as the perception that delirium is not 'owned' by (that is, the responsibility of) certain specialties or groups of practitioners 250 , the use of imprecise alternative terms such as 'confusion' , and a lack of perception that delirium is important. It is now clear that successful implementation of delirium detection, treatment and risk reduction is a complex challenge 251 , requiring an educational programme addressing both attitudes and skills, supported by audit, and using tools with proven implementability and tailored to the population to be tested. A study using quality improvement methodology to develop a digital pathway demonstrated the promise of this combined approach to improve delirium assessment and detection 252 .…”