Dr Andrew Webb is Medical Director at UCL Hospitals and Consultant Physician in Critical Care Medicine. As a medical director his role is unusual in that it includes the executive and operational director responsibility for University College Hospital including the divisions of Critical Care & Theatres, Emergency Services, Medicines & Therapies, Pathology, Outpatients & Imaging and Surgery. He has been ... Read morea Consultant in critical care medicine since 1989 and was Honorary Treasurer for the ICS during 2000-2003. He is currently chair of the Critical Care Advisory Committee for the Welsh Assembly Government. He has interests in haemodynamic monitoring, fluid management and healthcare management. He is co-author of several major critical care texts and papers on fluid management in ICU and the peri-operative period. Mervyn Singer is Professor of Intensive Care Medicine at University College London. He has published numerous books, reviews, chapters and original research publications in critical and acute medicine, and led single- and multi-centre clinical trials. His research interests include the pathophysiology and management of sepsis and multi-organ failure, shock states, tissue oxygenation, infection, haemodynamics and haemodynamic monitoring. Show Less