Mrs K is a 72-year-old retired teacher who presents to her GP after becoming lost while driving home from the supermarket she has visited weekly for 20 years.
Her daughter reports that:
- she repeats questions within the same conversation
- she has stopped attending social activities
- she struggles to organise meals she previously prepared routinely
Her neurological examination is normal.
Her blood tests are normal.
Her CT scan is reported as “age-appropriate”.
So what is actually going wrong?

