DISCLAIMER This web site is maintained by and for the members of the Department of Anaesthesia and Intensive Care, Papworth Hospital NHS Foundation Trust, Cambridge, UK. The site - including any views, analysis or opinions expressed therein - is not endorsed by the Board of Papworth Hospital NHS Foundation Trust and does not necessarily represent the views and opinions of the Trust. The materials and data offered on this site are for informational and educational purposes only and do not constitute a legal contract between the Department or Trust and any person or entity unless otherwise specified. Information is subject to change without prior notice. Since medical developments occur daily, this site may contain outdated material. Although every reasonable effort is made to present current and accurate information, the Department makes no guarantees of any kind. In no event shall the Department or Trust be responsible or liable, directly or indirectly, for any damage or loss caused or alleged to be caused by or in connection with the use of or reliance on any such content, goods, or services available on or through any such site or resource. The site may contain information that is created and maintained by a variety of sources both internal and external to the Department. These sites are unmoderated forums containing the personal opinions and other expressions of the persons who post the entries. The Department does not control, monitor or guarantee the information contained in these sites or information contained in links to other external web sites, and does not endorse any views expressed or products or services offered therein. Health related topics found on any page, should not be used for diagnosing purposes or be substituted for medical advice. As with any new or ongoing treatment, always consult your professional healthcare providers before beginning any new treatment. It is your responsibility to research the accuracy, completeness, and usefulness of all opinions, services, and other information found on the site, and to consult with your professional health care provider as to whether the information can benefit you.