The findings of a consensus committee created to address the definition, me
asurement, and identification of error in emergency medicine (EM) are prese
nted. The literature of error measurement in medicine is also reviewed and
analyzed. The consensus committee recommended adopting a standard set of te
rms found in the medical error literature. Issues surrounding error identif
ication are discussed. The pros and cons of mandatory reporting, voluntary
reporting, and surveillance systems are addressed, as is error reporting at
the clinician, hospital, and oversight group levels. Committee recommendat
ions are made regarding the initial steps EM should take to address error.
The establishment of patient safety boards at each institution is also reco
mmended.