ICE and PANE – not what you think 04/06/2016 by Bob Dunn The acronyms relating to ED occupancy have been added to the Emergency Department overcrowding page. Sullivan, C, Staib, A, Eley, R, et al. National Emergency Access Targets metrics of the emergency department–inpatient interface: measures of patient flow and mortality for emergency admissions to hospital. Australian Health Review 2015;39(5):533-38.Â