Psychiatrymiddle twist
A 79-year-old woman is brought to the emergency department at 2 am by police, having been found walking along a main road in her nightdress. She is pleasant and calm, is oriented to person only, and says she was just going to the shops. She is afebrile with normal vital signs and no focal neurological signs. Her handbag holds a dose administration aid for four medicines, three compartments of which are untouched for the week. Her son's mobile number is engraved on her medical alert bracelet. From where the assessment has reached, which one of the following should the intern do first?