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Related Concept Videos

Hand hygiene01:23

Hand hygiene

6.0K
Asepsis is the practice of preventing or breaking the chain of infection. The nurse employs aseptic techniques to prevent the spread of microorganisms and reduce the risk of diseases. Hand hygiene is the cornerstone of aseptic techniques and is classified into medical and surgical asepsis. Medical asepsis includes hand hygiene and the use of gloves. Surgical asepsis, or the sterile technique, refers to practices that render and keep objects and areas free of microorganisms.
Hand washing...
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Fischer Projections02:18

Fischer Projections

16.6K
Learning to draw Fischer projections of molecules and understanding their relevance plays a crucial role in the visual depiction of organic molecules. A Fischer projection is a two-dimensional projection on a planar surface to simplify the three-dimensional wedge–dash representation of molecules. This is especially helpful in the case of molecules with multiple chiral centers that can be difficult to draw. Here, all the bonds of interest are represented as horizontal or vertical lines. While...
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Newman Projections02:06

Newman Projections

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Different notations are used to represent the three-dimensional structure of molecules on two-dimensional surfaces. One of the most commonly used representations is the dash-wedge formula. The dashed wedges, solid wedges, and the plane lines indicate the groups situated behind the plane, coming out of the plane, and in the plane, respectively.
The organic molecules rotate across the single bonds leading to numerous temporary three-dimensional structures of varying energy known as...
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Noncompartmental Analysis: Mean Residence Time01:05

Noncompartmental Analysis: Mean Residence Time

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According to statistical moment theory, mean residence time (MRT) is an important measure in pharmacokinetics. MRT can be defined as the expected mean of a probability density function distribution. It provides valuable insights into drug disposition in the body.
After the administration of a drug through intravenous bolus injection, the drug molecules are distributed throughout the body and remain there for varying periods. The MRT represents the average time these drug molecules stay in the...
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Coordinates and Map Projections01:29

Coordinates and Map Projections

622
Coordinates and map projections are essential tools in accurately representing the Earth's surface for various applications, ranging from navigation to spatial analysis. The latitude and longitude coordinate system is a universally recognized framework for defining locations. Latitude specifies the distance of a point north or south of the equator, measured in degrees from 0° at the equator to 90° at the poles. Longitude indicates a location's position east or west of the prime meridian,...
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Quality Control01:05

Quality Control

2.5K
Quality control is one of the three cyclical quality assurance activities that help keep a system under statistical control. Typical quality control activities include creating quality control charts, conducting proficiency testing, and documenting and archiving results.
Quality control helps track data, visualize trends, and identify variations, making it easier to detect deviations that may affect the accuracy of an analysis. One way to do this is by generating a quality control chart, which...
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Related Experiment Video

Updated: Feb 1, 2026

Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor
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Measurement of the Hand Transmitted Vibration of the Human Hand Arm System During Operation of a Hand Tractor

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Resident-Driven Quality Improvement Project in Perioperative Hand Hygiene.

Marc Philip T Pimentel1, Aiden Yuzhe Feng1, Regina Piszcz2

  • 1From the Department of Anesthesiology, Perioperative, and Pain Medicine, Brigham and Women's Hospital.

Journal of Patient Safety
|December 5, 2018
PubMed
Summary

Anesthesiology residents led a quality improvement project to enhance perioperative hand hygiene compliance. This resident-led, multifaceted approach significantly increased hand hygiene rates in the operating room.

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Area of Science:

  • Medical Education
  • Patient Safety
  • Quality Improvement

Background:

  • Hand hygiene is critical in preventing perioperative infections.
  • Engaging residents in quality improvement (QI) initiatives can enhance patient safety.

Purpose of the Study:

  • To improve hand hygiene compliance in the perioperative setting.
  • To involve anesthesia residents in patient safety and QI initiatives.

Main Methods:

  • Anesthesiology residents developed and implemented multifaceted interventions.
  • Interventions included educational materials, feedback, and simulation.
  • Data collected via unannounced observations over 29 months.
  • Run chart analysis and chi-squared test used for evaluation.

Main Results:

  • 1122 observations conducted over 29 months.
  • Baseline hand hygiene compliance was 68%.
  • Post-intervention compliance increased to 79% (P < 0.01).
  • Run chart analysis indicated a sustained increase in compliance.

Conclusions:

  • A resident-led, multifaceted program effectively improved perioperative hand hygiene compliance.
  • Direct engagement of residents in QI drives sustained improvements in patient safety.