Compassion in Dying put in a freedom of information request to Ambulance Trusts across the UK and publishes the results in this document. It highlights the lack of information available to Paramedics about patient wishes at end of life in some areas of the UK.
This guide from NHS Choices is for people who are approaching the end of their life. Some parts of it may also be useful for people who are caring for someone who is dying, or people who want to plan in advance for their end of life care.