Commentary

Agnes's prolonged confusion follows several common problems: infection, dehydration, constipation, pain and disrupted sleep. Each is assessed and treated, but the cognitive course does not track the blood results. By six weeks, the team is discussing whether she has reached a lasting new level of function. Learners should consider what evidence would justify that conclusion.

Persistent delirium can continue beyond hospital discharge [P41]. Absence of a newly identified trigger does not itself establish irreversible impairment. Equally, the possibility of later improvement does not remove the need to organise adequate care now. Agnes receives a supported placement and continuing reassessment rather than either an unsupported return home or a promise of recovery.

The later gains are gradual: following a conversation, completing part of dressing, initiating a meal, and sustaining these abilities across different days. Her improvement is not attributed to one change of setting. The supplied talk and family account describe later recovery in different circumstances [T02, S39]; this composite preserves that possibility while avoiding a copied biography or a transfer presented as a cure.

By month five, Agnes returns to sheltered housing with additional help. The endpoint is a practical gain, not proof that every cognitive domain is normal. Discussion can consider how to document progress without repeatedly administering a long test, how to increase activity safely, and how to revisit a care decision when the person's abilities change.

An anonymised composite case that does not describe one identifiable person and is not research evidence.