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A decreasing function describes a relationship where the output consistently declines as the input increases. This means that for any two input values, if one is greater than the other, the corresponding output is smaller. Mathematically, a function f is decreasing on an interval I if for every x1 < x2​ in I, f (x1) > f (x2). This type of behavior is visually identified on a graph that slopes downward from left to right.The nature of a function can be analyzed by calculating...
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Area of Science:

  • Emergency Medicine
  • Health Informatics
  • Clinical Workflow Optimization

Background:

  • Emergency departments (EDs) face challenges in managing patient flow and acuity.
  • Triage is a critical first step in ED patient management.
  • Electronic health records (EHRs) offer potential for optimizing clinical processes.

Purpose of the Study:

  • To evaluate the impact of a computerized triage algorithm on ED triage time.
  • To determine if adapting the Emergency Severity Index (ESI) into an EHR-based algorithm improves efficiency.

Main Methods:

  • A before-and-after quasi-experimental study was conducted in an urban, tertiary care hospital ED.
  • A step-wise algorithm based on the ESI-5 was integrated into the EHR's triage module.
  • Triage duration and the percentage of high-acuity patients (ESI 1-2) triaged within 15 minutes were measured over 12 months pre- and post-implementation.

Main Results:

  • The study included over 65,000 patient visits.
  • Median triage interval decreased from 5.92 minutes to 2.8 minutes (P < 0.001).
  • The proportion of high-acuity patients triaged within 15 minutes increased from 63.9% to 75.0%.

Conclusions:

  • Computerized triage scales integrated into EHRs can significantly shorten ED triage times.
  • This technological adaptation improves the efficiency of identifying and managing high-acuity patients.
  • The intervention demonstrated sustained improvements in speed and patient throughput without negatively impacting quality metrics.