It was heard a post-mortem examination was later carried out on April 14 at Broomfield Hospital, which gave a provisional cause of death for Carol Baxter as combined fentanyl and promethazine toxicity with terminal bronchopneumonia.

Source: https://www.essexlive.news/news/essex-news/west-mersea-deaths-full-timeline-8583761

Mr Beresford was found in his cell on October 13 by staff at the prison who then provided first aid and CPR before taking him to Broomfield Hospital for emergency treatment.

Source: https://www.essexlive.news/news/essex-news/inquest-opens-death-hmp-chelmsford-8880415