Emergency Severity Index Triage Training. UNION HOSPITAL EMERGENCY ROOM. What is ESI?. Emergency Severity Index A five level triage scale that uses prioritization based on urgency (acuity) of condition but also considers resources needed to get the patient thru to ED disposition.
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• Acuity assessment
- Airway, breathing, circulation
- Potential for life, organ or limb threat
- How soon the patient needs to be seen
• Expected resource assessment
- Number of resources, as estimated by the
triage nurse, that a patient is expected to
consume in order for a disposition decision.
Mutually exclusive Allows for rapid sorting
Gathering sufficient information
to assign an ESI level