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Related Concept Videos

Hand hygiene01:23

Hand hygiene

6.4K
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 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 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 I: Introduction and Types of Equipment01:18

Handwashing I: Introduction and Types of Equipment

5.2K
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....
5.2K
Standard Precaution01:26

Standard Precaution

3.3K
Standard precautions are the minimum infection control safeguards used while caring for all patients, irrespective of their disease condition. They help prevent the spread of common infectious microorganisms to healthcare workers, patients, and visitors in all healthcare settings.
Hand hygiene is the most crucial means to prevent the transmission of disease. Employers are legally required to provide their workers with personal protective equipment (PPE) to minimize exposure or contact with...
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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 18, 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

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Do physicians clean their hands? Insights from a covert observational study.

Adam Kovacs-Litman1, Kimberly Wong1, Kaveh G Shojania1,2

  • 1Centre for Quality Improvement and Patient Safety, University of Toronto, Toronto, Ontario, Canada.

Journal of Hospital Medicine
|July 6, 2016
PubMed
Summary
This summary is machine-generated.

Covert hand hygiene (HH) observation revealed significantly lower compliance than overt audits, particularly among nurses. This highlights the Hawthorne effect

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Area of Science:

  • Healthcare Quality Improvement
  • Patient Safety
  • Infection Control

Background:

  • Physician hand hygiene (HH) compliance is often poor.
  • The Hawthorne effect may contribute to performance discrepancies between healthcare professionals.
  • Accurate assessment of HH behaviors is crucial for infection control.

Purpose of the Study:

  • To investigate hand hygiene compliance differences between physicians and nurses using covert observation.
  • To assess the impact of the Hawthorne effect on HH audit accuracy.
  • To gain insights into physician HH behaviors.

Main Methods:

  • Covert HH observers (students) were trained and validated.
  • HH compliance was monitored covertly during clinical rotations.
  • Covert HH data was compared with overt observation data from hospital auditors.

Main Results:

  • Covert observation showed significantly lower HH compliance (50.0%) than overt audits (83.7%).
  • The difference between observed and covert compliance was greater for nurses (40.7%) than physicians (19.0%).
  • Physician trainees' HH compliance was higher when attending staff performed HH (79.5% vs. 18.9%).

Conclusions:

  • Traditional overt HH audits overestimate compliance and may lead to inaccurate comparisons between professional groups.
  • Relative differences in the Hawthorne effect influence HH audit validity.
  • Future HH improvement requires accurate monitoring and strong physician leadership.