Correspondence to: Dr Brian H Eisner, Department of Urology, Massachusetts General Hospital, 55 Fruit Street, GRB-1102, Boston, MA 02114-2354, USA; beisner{at}mgh.harvard.edu In the USA, symptomatic ...

Objectives Failure to recognise and respond to patient deterioration in an appropriate and timely manner has been highlighted as a global patient safety concern. Early Warning Scores (EWSs) using ...