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Related Concept Videos

Hand hygiene01:23

Hand hygiene

6.5K
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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Handwashing II: Pre-procedure and Initial Procedure Steps01:19

Handwashing II: Pre-procedure and Initial Procedure Steps

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The pre-procedure steps of handwashing include removing jewelry and rolling up sleeves. However, many organizations allow staff to wear wedding rings.
The hand washing procedure itself includes the following steps. First, cover cuts, if any, on hands with a waterproof dressing. Cuts and abrasions can become contaminated with bacteria hindering the ability to clean the area thoroughly. In addition, repeated hand washing can worsen an injury.  The nails must be short and clean, without nail...
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Handwashing III: During the Procedure and Post-Procedure Steps01:15

Handwashing III: During the Procedure and Post-Procedure Steps

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To wash hands properly, follow these steps:
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Handwashing I: Introduction and Types of Equipment01:18

Handwashing I: Introduction and Types of Equipment

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Handwashing is hand hygiene with plain or antimicrobial soap and water to physically remove dirt, organic material, and microorganisms. However, it may not kill all microorganisms. The handwashing procedure requires a hand wash basin, liquid soap, paper towels, a domestic waste bin, and disposable nail cleaner as optional equipment.
Hand wash basins in clinical areas should have faucets that can be turned on and off without using the hands; that is, they should be non-touch or lever-operated....
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Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

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A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
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PPE Use in Healthcare Settings II: Doffing01:10

PPE Use in Healthcare Settings II: Doffing

1.7K
The sequence of removing or doffing PPE starts with the gloves, as they are the most contaminated. Next is removal of the face shield or goggles, as they would interfere with removing other PPE. Then remove the gown, followed by the mask or respirator. Perform hand hygiene between steps if hands become contaminated and immediately after removing all PPE. Generally, the outside front and sleeves of the isolation gown, the goggles or the mask, the respirator, and the face shield are contaminated.
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Related Experiment Video

Updated: Mar 23, 2026

A Method to Test the Efficacy of Handwashing for the Removal of Emerging Infectious Pathogens
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A Method to Test the Efficacy of Handwashing for the Removal of Emerging Infectious Pathogens

Published on: June 7, 2017

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Design study to develop screen savers aimed at improving hand hygiene behavior.

Anne Marie Weggelaar-Jansen1, Esther van Buren-Jansen1, Sabine van 't Schip1

  • 1Department of Health Policy and Management, Erasmus University, Rotterdam, The Netherlands.

American Journal of Infection Control
|April 5, 2016
PubMed
Summary

Screen savers designed with scientific principles can improve hand hygiene. These designs leverage visual attention and peer pressure to subconsciously influence behavior, making them effective tools for public health.

Keywords:
Infection controldesign studyeye trackinghand hygienescreen saver

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Area of Science:

  • Behavioral Science
  • Public Health Interventions
  • Human-Computer Interaction

Background:

  • Screen savers with gain-framed messages are known to improve hand hygiene.
  • However, the specific design elements influencing their effectiveness have not been previously studied.

Purpose of the Study:

  • To develop and test scientific propositions for designing screen savers that subconsciously influence hand hygiene behavior.
  • To investigate strategies for gaining attention and exerting peer pressure through screen saver design.

Main Methods:

  • Developed 25 propositions for attention-grabbing elements and 7 for peer pressure.
  • Tested screen saver attention using eye-tracking (N=27) and peer pressure influence via questionnaire (N=25).

Main Results:

  • Screen savers based on propositions significantly increased attention to text and visual elements compared to controls.
  • Three screen savers evoked feelings of peer pressure, with one not based on initial propositions.

Conclusions:

  • Screen savers designed using scientific propositions for visual attention and peer pressure show potential for altering hand hygiene behavior.
  • Further research may refine designs based on these findings to optimize public health messaging.