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Related Concept Videos

Testing Water Quality01:14

Testing Water Quality

391
When the quality of water for concrete preparation is uncertain, its impact on the setting time of cement and compressive strength of mortar is assessed by comparison with de-ionized or distilled water benchmarks. American Society for Testing and Materials (ASTM) C1602 requires the setting times to be within 90 minutes of the control, British Standard (BS) 3146:1980 allows a 30-minute variance in the initial setting, while British Standards European Norm (BS EN) 1008 specifies initial setting...
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Run Charts01:12

Run Charts

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Run charts serve as an essential instrument for visualizing the performance of various processes over time, enabling the identification of trends and patterns crucial for quality improvement. These charts map out a series of data points chronologically, offering insights into the stability and efficiency of a process. A run chart's creation involves plotting data points on a graph, with the time intervals on the horizontal axis and the specific measurements on the vertical axis. For...
291
The R Chart01:02

The R Chart

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In statistical process control, control charts, particularly R charts, are instrumental in monitoring process variations and identifying non-random patterns that run charts might miss. R charts track the variability within process subgroups, which is crucial when standard deviation use is impractical or unknown process variations exist.
R charts are pivotal for pinpointing shifts in process variability. Stability is indicated when all data points remain within the defined upper and lower...
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Pareto Chart00:52

Pareto Chart

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A Pareto chart is a bar graph or a combination of both line and bar graphs. The bar lengths represent the individual values or the frequency, while the lines represent the cumulative total values. In this chart, the longest bars are arranged on the left and the shortest bars on the right, which makes it easier to read and interpret the data. It can also be called a Pareto diagram or Pareto analysis.
The Pareto chart is named after the Italian economist Vilfredo Pareto, who described the Pareto...
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Interpreting R Charts01:22

Interpreting R Charts

352
R chart, or range chart, is a fundamental tool in statistical process control used to monitor the variability within a process. It complements the X-bar (x̄) chart by focusing on the range of the data, rather than individual values, providing a clear picture of the process dispersion over time.
An R chart plots the range of subsets of measurements collected from a process. Each point on the chart represents the range—defined as the difference between the maximum and minimum...
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Radical Formation: Abstraction00:47

Radical Formation: Abstraction

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The electron of an atom can be abstracted from a compound by a relatively unstable radical to generate a new radical of relatively greater stability. For example, an initiator which forms radicals by homolysis can abstract a suitable species like a hydrogen atom or a halogen atom from a compound to generate a new radical. This ability of radicals to propagate by abstraction is a crucial feature of radical chain reactions.
Even though homolysis produces radicals, it is different from radical...
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Task Interruption and Resumption Paradigm for Testing the Activation and Pursuit of an Abstract Thinking Goal
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Developing and Testing a Chart Abstraction Tool for ICU Quality Measurement.

Jarone Lee1, J Matthew Austin2, Jungyeon Kim3

  • 11 Massachusetts General Hospital/Harvard Medical School, Boston, MA.

American Journal of Medical Quality : the Official Journal of the American College of Medical Quality
|September 29, 2018
PubMed
Summary
This summary is machine-generated.

New quality measures were developed to assess intensive care unit (ICU) patient outcomes, including infections and pressure ulcers. These tools enable standardized performance comparisons across healthcare institutions.

Keywords:
central line–associated bloodstream infectiongastrointestinal bleedingintensive care unitmethicillin-resistantpressure ulcer

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Area of Science:

  • Healthcare Quality Improvement
  • Clinical Outcomes Measurement
  • Critical Care Medicine

Background:

  • Quality measures are vital for assessing healthcare performance.
  • Intensive care units (ICUs) are high-cost, high-risk clinical areas.
  • Nationally reported ICU-specific outcome measures are currently limited.

Purpose of the Study:

  • To develop and evaluate novel abstraction tools for ICU patient outcomes.
  • To assess central line-associated bloodstream infection, methicillin-resistant Staphylococcus aureus, gastrointestinal bleed, and pressure ulcer incidence.
  • To provide risk-adjustment variables for comparative performance analysis.

Main Methods:

  • Creation of new abstraction tools for specific ICU outcomes.
  • Evaluation of the tools' clinical validity and significance.
  • Inclusion of risk-adjustment variables for chart abstraction.

Main Results:

  • Development of validated abstraction tools for key ICU outcomes.
  • Identification of essential risk-adjustment variables for comparative analysis.
  • Facilitation of standardized outcome reporting for ICUs.

Conclusions:

  • The new tools provide a valid method for measuring ICU performance.
  • Standardized outcome measures are crucial for quality improvement in ICUs.
  • These tools will enable better comparison of ICU outcomes nationally.