Figure 5-1. ESI Triage Algorithm, v. 4

Flow chart demonstrating the algorithm. Box A is labeled 'requires immediate life-saving intervention?' with an arrow labeled 'Yes' pointing to a 1 in a circle and an arrow labeled 'No' pointing to Box B. Box B is labeled 'high risk situation? or confused/lethargic/disoriented? or severe pain/distress?' with an arrow labeled 'Yes' pointing to a 2 in a circle and an arrow labeled 'No' pointing to Box C. Box C is labeled 'how many different resources are needed?' with an arrow labeled 'none' pointing to a 5 in a circle, an arrow labeled 'one' pointing to a 4 in a circle, and an arrow labeled 'many' pointing to Box D. Box D is labeled 'danger zone vitals?' with the following vital sign formulae: HR/RR/SaO2<92%: <3 m/>180/>50; 3 m-3y/>160/>40; 3-8 y/>140/>30; >8y/>100/>20'. An arrow labeled 'Consider' points from Box D to a 2 in a circle and an arrow labeled 'No' points to a 3 in a circle.

©ESI Triage Research Team, 2004. Reproduced with permission.

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