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Related Concept Videos

Design Consideration01:22

Design Consideration

390
Designing a structure involves a series of considerations, primarily the material's ultimate strength, calculated through tests that measure changes under increased force until the material reaches its breaking point or limit. The ultimate load, where the material breaks, is divided by its original cross-sectional area, resulting in the ultimate normal stress or strength. The ultimate shearing stress is another significant factor taken into account.
The factor of safety is another key...
390
Response Surface Methodology01:16

Response Surface Methodology

357
Response Surface Methodology (RSM) is a collection of statistical and mathematical techniques used to develop, improve, and optimize processes. It is particularly valuable when many input variables or factors potentially influence a response variable.
The process of RSM involves several key steps:
357
Design Example: Designing Water Slide01:18

Design Example: Designing Water Slide

415
When designing a water slide, controlling the speed of water flow is crucial for rider safety while maintaining an exciting experience. As water flows down the slide, gravity causes it to accelerate, with its speed at the bottom depending on the height from which it starts. The higher the slide, the more potential energy the water has at the top, which is converted into kinetic energy as it descends, increasing its speed.
Bernoulli's principle determines the water's velocity along the slide....
415
Design Example01:23

Design Example

423
The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
423
Design Example: Managing Concrete Workability01:14

Design Example: Managing Concrete Workability

145
This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
145
Heuristics01:21

Heuristics

214
Heuristics are problem-solving strategies that use mental shortcuts to simplify decision-making. Unlike algorithms, which must be followed precisely to achieve a correct result, heuristics offer a general problem-solving framework. They save time and energy but can sometimes lead to less rational decisions.
People often rely on heuristics when faced with an overload of information, limited time, low importance of the decision, limited information, or when a heuristic readily comes to mind. For...
214

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Related Experiment Video

Updated: Nov 6, 2025

Iterative Development of an Innovative Smartphone-Based Dietary Assessment Tool: Traqq
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A Systems Approach to Front-End Redesign With Rapid Triage Implementation.

Nicholas Alen Chmielewski1, Theresa Tomkin, Gara Edelstein

  • 1Berkeley Research Group, LLC, Emeryville, California (Dr Chmielewski); St. Charles Hospital, Catholic Healthcare Services of Long Island, Port Jefferson, New York (Ms Tomkin); Good Samaritan Hospital, Catholic Healthcare Services of Long Island, West Islip, New York (Ms Edelstein).

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Implementing rapid triage in emergency departments (EDs) improved patient wait times and length of stay at some hospitals. Further research is needed to confirm these efficiency gains across more facilities.

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Area of Science:

  • Healthcare Management
  • Quality Improvement
  • Emergency Medicine

Background:

  • Emergency departments (EDs) are common sites for hospital sentinel events due to care delays.
  • Reducing patient length of stay in the ED is crucial for enhancing hospital quality and efficiency.

Purpose of the Study:

  • To standardize front-end ED processes across a six-hospital health system.
  • To relocate non-urgent clinical queries from the triage area.
  • To decrease door-to-triage and door-to-provider times.

Main Methods:

  • A continuous quality improvement initiative was employed, utilizing the Donabedian model and DMAIC methodology.
  • A system-wide performance work team and site-specific implementation teams were established.
  • Rapid triage processes were implemented across six hospitals.

Main Results:

  • Statistically significant improvements in door-to-triage times were observed at three of the six hospitals.
  • Improvements in door-to-provider times were noted at three of the six hospitals.
  • A reduction in ED length of stay for discharged patients was achieved at three of the six hospitals.

Conclusions:

  • Rapid triage implementation shows potential for improving ED efficiency, but generalizability requires further study.
  • Additional research is needed to explore cost savings and labor optimization through system-wide process standardization.
  • Leadership must investigate the economic benefits and collaborative labor opportunities arising from standardized healthcare policies.