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PSNet: Patient Safety Network
Measurement Tool/Indicator

IHI Global Trigger Tool for Measuring Adverse Events. 2nd Edition.

Griffin FA, Resar RK. Cambridge, MA: Institute for Healthcare Improvement; 2009.

This white paper describes a tool that employs triggers to identify adverse events and measure their rate of occurrence. The authors discuss the development and methodology of the tool, suggestions for training, and the experiences of organizations that have used it.