who developed the esi triage system
Severity Index (ESI) The Emergency Severity Index (ESI) is a five-level triage scale developed by ED physicians Richard Wuerz and David Eitel in the United States (Gilboy et al., 1999; Wuerz, Milne, Eitel, Travers & Gilboy, 2000). The two originators believed that a principal role for an emergency department triage instrument