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Precautions to Prevent Spread of Infection

Unit 4 Lesson 3

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COPYRIGHT

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  • Define Standard Precautions
  • Describe hand hygiene, protocols, and methods
  • Include safety precautions and common errors
  • Describe disinfection and sterilization
  • Describe the types of transmission precautions, including signage

Student Learning Outcomes

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Standard Precautions

  • Universal practices to prevent infection transmission
  • Assumes all bodily fluids may contain infectious agents
  • Key Components
    • Hand Hygiene
      • Fundamental practice for infection control
    • PPE Usage
      • Gloves
      • Masks
      • Gowns
      • Eyewear for protection

Sandquist-Reuter, 2023

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Standard Precautions continued…

  • Respiratory Hygiene
    • Cough etiquette and mask usage
  • Environmental Cleaning
    • Regular sanitization of equipment and surfaces
  • Safe Laundry Handling
    • Minimizing agitation to prevent contamination

Sandquist-Reuter, 2023

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Hand Hygiene Protocols

  • Primary method to break infection chain
  • Reduces risk of healthcare-associated infections
  • Techniques
    • Handwashing
      • Soap and water for visible soiling
    • Alcohol-based hand rub (ABHR)
      • Quick alternative when hands are not visibly dirty

Sandquist-Reuter, 2023

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Hand Hygiene Protocols continued…

  • When to Perform
    • Before/after client contact
    • After exposure to body fluids
    • Before aseptic tasks, after glove removal

Sandquist-Reuter, 2023

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Moments of Hand Hygiene

Sandquist-Reuter, 2023

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Critical Thinking Question

The nurse’s aide working in a long-term care facility notices a colleague entering a client’s room without performing hand hygiene. The client has been diagnosed with a respiratory infection.

What should the nurse’s aide do in this situation, and why is hand hygiene important before entering the client’s room?

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Handwashing with Soap and Water

  • Procedure
    • Wet hands
    • Apply soap
    • Lather
    • Scrub all surfaces of the hands, including under the nails
      • At least 20 seconds
    • Rinse thoroughly, dry with a clean towel (paper napkins/towels)
    • Use towel to turn off tap

Sandquist-Reuter, 2023

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Handwashing with Soap and Water continued…

  • When Required
    • Visibly dirty hands
    • Exposure to certain pathogens
    • Example: Norovirus
  • Common Errors
    • Insufficient soap use
    • Incomplete scrubbing
      • Missed areas like nails, wrists
    • Not drying hands properly

Sandquist-Reuter, 2023

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Contact info: info@nursesinternational.org

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Sandquist-Reuter, 2023

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Alcohol-Based Hand Rub (ABHR)

  • Effective against most microorganisms
  • Quick and easy access at point of care
  • Procedure
    • Apply sufficient product
    • Rub hands covering all surfaces until dry
  • Usage Guidelines
    • Not for visibly soiled hands or certain infections
    • Example: C. difficile

Sandquist-Reuter, 2023

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Alcohol-Based Hand Rub (ABHR) continued…

  • Common Errors
    • Not allowing hands to air dry
    • Inadequate rubbing time or product application

Sandquist-Reuter, 2023

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Critical Thinking Question

In which of the following situations is handwashing with soap and water preferred over using an alcohol-based hand rub?

A) Before administering medication to a client

B) When hands are not visibly soiled

C) After removing gloves used during care

D) After contact with a client with C. difficile infection

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Safety Precautions and Common Errors

  • Safety Tips
    • Use soap and water for visible contaminants
    • Avoid mixing ABHR with soap to prevent skin irritation
  • Common Mistakes
    • Insufficient rubbing time
    • Missing critical hand areas like thumbs and fingertips
    • Shaking hands to dry

Sandquist-Reuter, 2023

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Contact info: info@nursesinternational.org

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Critical Thinking Question

The nurse’s aide is assisting a client who has just been diagnosed with norovirus. The client is experiencing vomiting and diarrhea.

What precautions should the nurse’s aide take when entering the client’s room, and why is choosing the correct type of hand hygiene important in this scenario?

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Disinfection and Sterilization

  • Disinfection
    • Reduces microorganisms on surfaces
    • Includes chemical and physical methods
  • Sterilization
    • Complete elimination of all forms of microbial life
    • Methods
      • Steam
      • Dry heat
      • Radiation
      • Chemicals

Sandquist-Reuter, 2023

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Disinfection and Sterilization continued…

  • Aseptic Techniques
    • Medical asepsis
      • Routine prevention of microorganism transfer
    • Surgical asepsis
      • Required for invasive procedures

Sandquist-Reuter, 2023

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Transmission-Based Precautions

Categories

  • Contact Precautions
    • Gloves/gowns for infections like MRSA, VRE
  • Droplet Precautions
    • Masks for pathogens spread via droplets
    • Example: Influenza
  • Airborne Precautions
    • Respirators for airborne pathogens
    • Examples: TB, measles

Sandquist-Reuter, 2023

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Transmission-Based Precautions continued…

Signage

  • Clear instructions outside client rooms
  • HIPAA-compliant to protect client information
  • PPE carts available near infected client rooms

Sandquist-Reuter, 2023

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Critical Thinking Question

A client diagnosed with tuberculosis (TB) is admitted to a facility. Which of the following precautions should the nurse’s aide take to prevent the airborne transmission of TB?

A) Wear a surgical mask and gloves

B) Use a respirator and place the client in a private room with specific air handling

C) Use a face shield when providing care

D) Maintain a distance of at least six feet without additional protective equipment

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References

Sandquist-Reuter, M. (2023). Nursing Assistant. WisTech Open. https://wtcs.pressbooks.pub/nurseassist/

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