Acronyms and Abbreviations A Toolkit for Redesign in Health Care: Final Report adj = adjustedALOS = Average length of stayCAT = Computed axial tomographyCEO = Chief executive officercor = heartED = Emergency departmentFTE = Full time equivalenth = hourm/min = minuteHCT = Health care teamHMO = Health maintenance organizationIRB = Institutional review boardmed = medicationMRI = Magnetic resonance imagingPDSA = Plan, Do, Study, Act Current as of September 2005 Internet Citation: Acronyms and Abbreviations: A Toolkit for Redesign in Health Care: Final Report. September 2005. Agency for Healthcare Research and Quality, Rockville, MD. http://www.ahrq.gov/professionals/quality-patient-safety/patient-safety-resources/resources/toolkit/tkacro.html