• Marianne Gausche-Hill, Timothy Horeczko, Brianna Enriquez, and Nancy E McGrath.
• Department of Emergency Medicine, Harbor-University of California, Los Angeles Medical Center, Torrance, CA 90509, USA. thoreczko@emedharbor.edu
• J Emerg Nurs. 2013 Mar 1;39(2):182-9.

IntroductionThe Pediatric Assessment Triangle (PAT) is a rapid evaluation tool that establishes a child's clinical status and his or her category of illness to direct initial management priorities. Recently the PAT has been incorporated widely into the pediatric resuscitation curriculum. Although intuitive, its performance characteristics have yet to be quantified. The purpose of this research is to determine quantitatively its accuracy, reliability, and validity as applied by nurses at triage.MethodsIn this prospective observational study, triage nurses performed the PAT on all patients presenting to the pediatric emergency department of an urban teaching hospital. Researchers performed blinded chart review using the physician's initial assessment and final diagnosis as the criterion standard for comparison.ResultsA total of 528 children were included in the analysis. Likelihood ratios (LRs) were found for instability and category of pathophysiology using the PAT. Children deemed stable by initial PAT were almost 10 times more likely to be stable on further assessment (LR 0.12, 95% confidence interval [CI] 0.06-0.25). The PAT further specified categories of pathophysiology: respiratory distress (LR+ 4, 95% CI 3.1-4.8), respiratory failure (LR+ 12, 95% CI 4.0-37), shock (LR+ 4.2, 95% CI 3.1-5.6), central nervous system/metabolic disorder (LR+ 7, 95% CI 4.3-11), and cardiopulmonary failure (LR+ 49, 95% CI 20-120).DiscussionThe structured assessment of the initial PAT, as performed by nurses in triage, readily and reliably identifies high-acuity pediatric patients and their category of pathophysiology. The PAT is highly predictive of the child's clinical status on further evaluation.Copyright © 2013 Emergency Nurses Association. Published by Mosby, Inc. All rights reserved.

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