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Related Concept Videos

Transmission-based Precautions II: Airborne and Protective Environment01:25

Transmission-based Precautions II: Airborne and Protective Environment

Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...
Standard Precaution01:26

Standard Precaution

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...
PPE Use in Healthcare Settings II: Doffing01:10

PPE Use in Healthcare Settings II: Doffing

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.
PPE Use in Healthcare Settings I: Donning01:22

PPE Use in Healthcare Settings I: Donning

Donning PPE must be completed before contact with the patient. This process protects from infectious agents. The sequence and action included in each donning are critical, and the steps must be systematic to avoid exposure to pathogens. The institutional policy also needs to be followed while donning PPE. The pre-donning preparations are gathering equipment, inspecting the PPE equipment for tears, holes, or damage, removing jewelry, removing any garments below the elbows, and tying the hair...
Types of Toxins01:36

Types of Toxins

Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Transmission-based Precautions I: Contact, Enteric, and Droplets01:17

Transmission-based Precautions I: Contact, Enteric, and Droplets

Transmission-based precautions are for patients known to be infected or suspected to be infected or colonized with organisms that pose a significant risk to others. Some transmission-based precautions include contact, enteric, and droplet.
Contact Precautions:
Contact precautions are the measures taken to prevent the transmission of infectious agents, especially epidemiologically important microorganisms such as MRSA or influenza, primarily transmitted through direct or indirect contact with an...

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Related Experiment Video

Updated: Jun 11, 2026

Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas
07:54

Experimental Methods of Dust Charging and Mobilization on Surfaces with Exposure to Ultraviolet Radiation or Plasmas

Published on: April 3, 2018

Dirty ducting poses significant risks.

Richard Norman

    Health Estate
    |July 6, 2010
    PubMed
    Summary
    This summary is machine-generated.

    Proper cleaning of healthcare ventilation systems is crucial. Neglected systems can harbor dangerous microorganisms and pose risks from contaminated grease extract systems.

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    Published on: June 5, 2014

    Area of Science:

    • Healthcare facility management
    • Infection control
    • Building maintenance

    Background:

    • Ventilation systems in healthcare facilities require regular cleaning.
    • Internal duct surfaces can accumulate debris, promoting microbial growth.
    • Grease extract systems linked to catering pose fire and contamination risks.

    Purpose of the Study:

    • To highlight the critical importance of cleaning healthcare ventilation systems.
    • To emphasize the risks associated with microbial growth in ductwork.
    • To warn about the dangers of uncleaned grease extract ventilation.

    Main Methods:

    • Discussion and expert opinion from a ventilation system cleaning specialist.
    • Analysis of potential microbial nutrient sources within ducting.
    • Identification of risks associated with grease extract systems.

    Main Results:

    • Dust and debris in ventilation systems act as ideal nutrients for microorganisms like MRSA and Clostridium difficile.
    • Improperly cleaned grease extract systems present significant dangers to patients, staff, and visitors.

    Conclusions:

    • Regular and thorough cleaning of healthcare ventilation systems is essential for patient and staff safety.
    • Proactive maintenance prevents the proliferation of harmful pathogens and mitigates risks from catering-related ventilation.