Adler L, Denham CR, McKeever M, Purunton R, Guilloteau F, Moorhead D, Resar R. Global Trigger Tool: Implementation basics. Journal of Patient Safety. 2008 Dec;4(4):245-249.This article has been written to assist front-line community hospitals that are contemplating using the IHI Global Trigger Tool methodology to measure overall harm (adverse events). The experience of Florida Hospital is described, from initial leadership agreement, to team training, and finally to lessons learned in setting up an ongoing system of harm measurement using the IHI Global Trigger Tool.