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Related Concept Videos

Personal Protective Equipment01:20

Personal Protective Equipment

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Personal protective equipment (PPE) is unique clothing or equipment worn by an employee to minimize or prevent exposure to infectious agents. PPE creates a barrier between the employee and the infectious materials. PPE must be readily available in the patient care area. PPE includes gloves, gowns and aprons, masks and respirators, goggles, face shields, shoes, and headcovers:
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Variation: Normal Distribution, Range, and Standard Deviation02:32

Variation: Normal Distribution, Range, and Standard Deviation

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In the field of psychology, there are several ways to organize measurements of a trait, feature, or characteristic (i.e., variables). Qualitative data, such as ethnicity, can be tabulated into a frequency count to provide information about the proportion, as well as the variety of groups in a sample or population. On the other hand, researchers can perform a wider set of calculations on quantitative data. The mean, mode, and median, for instance, are central tendency measures to identify a...
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Standard Deviation01:10

Standard Deviation

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The most commonly used measure of variation is the standard deviation. It is a numerical value measuring how far data values are from their mean. The standard deviation value is small when the data are concentrated close to the mean, exhibiting slight variation or spread. The standard deviation value is never negative, it is either positive or zero. The standard deviation is larger when the data values are more spread out from the mean, which means the data values are exhibiting more variation.
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Mean Absolute Deviation01:13

Mean Absolute Deviation

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The mean absolute deviation is also a measure of the variability of data in a sample. It is the absolute value of the average difference between the data values and the mean.
Let us consider a dataset containing the number of unsold cupcakes in five shops: 10, 15, 8, 7, and 10. Initially, calculate the sample mean. Then calculate the deviation, or the difference, between each data value and the mean. Next, the absolute values of these deviations are added and divided by the sample size to...
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Contaminants and Errors01:16

Contaminants and Errors

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Effective sample preparation is crucial for accurate and reliable laboratory analysis. During this process, two significant sources of error can arise: concentration bias from improper sample splitting and contamination caused by methods used to reduce particle size, such as grinding or homogenization. Identifying and minimizing these potential errors is crucial to ensuring the validity of the analysis.
Another key consideration is determining the appropriate number of samples required to...
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Leveling Equipment01:18

Leveling Equipment

400
As leveling involves measuring vertical distances relative to a horizontal line of sight, it requires a graduated rod, called a level rod, for vertical measurements and an instrument called a level for a horizontal sight line. A level includes a high-powered telescope with a mechanism for leveling to ensure the line of sight is horizontal when the bubble in the spirit level is centered. Leveling rods, made of wood, metal, or fiberglass, are graduated in feet or meters and commonly used in two-...
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Frequent and unexpected deviations from personal protective equipment guidelines increase contamination risks.

Diane Mulvey1, Jeanmarie Mayer1, Lindsay Visnovsky1

  • 1Division of Epidemiology, University of Utah School of Medicine, Salt Lake City, UT; IDEAS Center, Veterans Affairs Healthcare System, Salt Lake City, UT.

American Journal of Infection Control
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Many healthcare workers improperly don and doff personal protective equipment (PPE), increasing self-contamination risks. Inappropriate gown tie securing was a common issue leading to doffing errors.

Keywords:
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Area of Science:

  • Healthcare worker practices
  • Infection control protocols
  • Personal protective equipment (PPE) usage

Background:

  • Personal protective equipment (PPE) training is crucial for reinforcing Centers for Disease Control and Prevention (CDC) guidelines.
  • Adherence to proper PPE donning and doffing procedures is essential in healthcare settings to prevent pathogen transmission.

Purpose of the Study:

  • To evaluate adherence to recommended guidelines for donning and doffing PPE among hospital personnel.
  • To identify common deviations from standard PPE protocols and their potential impact on self-contamination.

Main Methods:

  • Observational study assessing PPE donning and doffing techniques used by healthcare and ancillary staff.
  • Analysis of specific procedural steps, focusing on gown and glove management.

Main Results:

  • A significant number of hospital personnel were observed using non-guideline methods for donning and doffing PPE gowns and gloves.
  • Deviations from recommended procedures were common, elevating the risk of self-contamination.
  • Improperly securing gown ties was a frequent error, contributing to increased missteps during doffing.

Conclusions:

  • Current PPE training may not be effectively translating into consistent practice among healthcare personnel.
  • Common deviations in PPE donning and doffing, particularly with gown ties, pose a substantial risk for healthcare-associated infections.
  • Interventions focusing on correct gown tie management and doffing techniques are needed to improve compliance and reduce self-contamination.