Mum has had memory lapse noticeable for sometime. Dad admitted to hospital 7 weeks ago. Acute delirium uti. 5th week mum went to stay at sons, during which exhibited disorientation, confusion and hallucinating, not seen before. End of weeks stay collected by other son returned and a visit to hospital to see dad. Same day on return to normal home, retirement complex, unable to orientate, settled. Dad died overnight. Mum told am. Over the past week, mum continues to have confusion, disorientation and hallucinations. Seen gp. Family members providing support daily, however home flat is still as was before dad admitted to hospital. Concerned not to have interferred or change anything. No reference points within home that anything changef, dads belongings exactly left in place. Continues to be confused (thinking on day time and date clock) although face to face more responsive with some momentary wanders, hallucinations. Advice suggestions please, funeral not for another 2 weeks.