Affiliation: | Consultant in Anaesthesia and Intensive Care, Critical Care Department, Sheffield Teaching Hospitals NHS Trus, Northern General Hospital, Herries Road, Sheffield S5 7AU, UK;Consultant in Stroke Medicine, Sheffield Teaching Hospitals NHS Trus, Royal Hallamshire Hospital, Glossop Road, Sheffield S10 2JF, UK;Consultant in Elderly Care and Stroke Medicine, Dept. of Geriatrics and Stroke, Northern General Hospital, Sheffield S5 7AU, UK |