23 August 2021 Wiebke Morgan 2323 Case Updates Negus v Guy's and St Thomas' NHS Foundation Trust [2021] EWHC 643 (QB) by Wiebke Morgan The case: a clinical negligence claim relating to aortic valve replacement surgery performed on 5 March 2014 by a consultant cardiothoracic surgeon. It involved the implantation of a 19 mm mechanical valve. To continue reading you must be an EWI member, become a member and access exclusive content. Already a member? Login Share Print Tags Legal testNegligenceOperative Surgery11. Report Writing Related articles Take care not to conflate your role as a contractor with your duties as an expert witness Podcast Episode 26: Expert Advisor versus Expert Witness Gary Alexander MacDougall v Lloyd Philip Thomas & Ors [2026] EWHC 1142 (Ch) Experts who rise above the fray and fully discharge their duties to assist the Court Car-Wizard Limited v Vixen Surface Treatments Limited [2026] EWHC 685 (Ch) Switch article Gardiner v Tabet [2021] EWHC 563 (Ch), 2021 WL 00965862 Previous Article R v Lall [2021] EWCA Crim 404, 2021 WL 01041724 Next Article Comments are only visible to subscribers.