Trigger tool portal

The trigger  tool portal is a case note review tool that enables you to understand and measure adverse events.

Regular use of the trigger  tool portal gives your organisation a rate of harm. As an organisation, this then allows you to establish whether you are improving, getting safer and becoming more reliable.

The following Trigger Tools are available in this Portal:

  • Acute adult hospitals


GTT is a trademark of the IHI. This website is currently removing or referencing all mention of the GTT. Where you can see GTT portal it will now read Trigger Tool portal (TT Portal).

The NHS Institute is also currently working to develop UK Trigger Tools for mental health, community hospitals and community nursing.  For more information about these programmes, please contact


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