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Related Concept Videos

Respiratory Capacities01:24

Respiratory Capacities

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Respiratory capacities are crucial indicators of lung function, representing the maximum amount of air an individual's respiratory system can handle during various breathing phases.
One key metric is the Inspiratory Capacity (IC), which represents the maximum amount of air that can be inhaled with full effort. IC is calculated by summing the tidal volume and inspiratory reserve volume, typically ranging from 2.4 to 3.6 liters.
The Functional Residual Capacity (FRC) represents the air in the...
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PPE Use in Healthcare Settings I: Donning01:22

PPE Use in Healthcare Settings I: Donning

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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...
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The Respiratory System01:16

The Respiratory System

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The respiratory system is comprised of the organs that enable breathing. Air enters the nostrils and mouth, followed by the pharynx (throat) and larynx (voice box), which lead to the trachea (windpipe). In the thoracic cavity, the trachea splits into two bronchi that allow air to enter the lungs. The bronchi split into progressively smaller bronchioles and terminate in small groups of tiny sacs in the lungs called alveoli, where gas exchange occurs.
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Transmission-based Precautions II: Airborne and Protective Environment01:25

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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...
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Respiratory Volumes and Capacities I01:26

Respiratory Volumes and Capacities I

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Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
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Respiratory Volumes and Capacities01:22

Respiratory Volumes and Capacities

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The respiratory system is responsible for the intake of oxygen and the expulsion of carbon dioxide from the body. Respiratory volumes describe the volume of air in the lungs at different phases of the respiratory cycle. Tidal volume is the air breathed in and out during normal, quiet breathing. Inspiratory reserve volume is the air that can be forcefully inspired beyond the tidal volume. In contrast, expiratory reserve volume refers to the air that can be expelled from the lungs after a normal...
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Organization of Community-Based Respirator Fit Testing Programs for Agricultural Workers.

Jenna Leigh Gibbs1, Carolyn E Sheridan1, Ellen Duysen2

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Community-based respirator fit testing programs improve agricultural safety by addressing hazards like pesticides and wildfire smoke. These programs enhance respiratory protection for farmers, despite challenges in rural areas.

Keywords:
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Area of Science:

  • Agricultural Health and Safety
  • Occupational Health
  • Respiratory Protection

Background:

  • The agricultural industry presents significant respiratory hazards, including pesticides, dust, zoonotic diseases, and wildfire smoke.
  • Historically, low respirator use in agriculture is linked to complex hazards and limited rural healthcare access.
  • Community-based programs are essential for ensuring adequate respiratory protection in farming communities.

Purpose of the Study:

  • To outline the development and impact of Community-Based Respirator Fit Testing Programs.
  • To highlight the roles of nurses and community collaboration in agricultural respiratory safety.
  • To address challenges in implementing effective respirator use in the agricultural sector.

Main Methods:

  • Synthesized insights from eight Community-Based Respirator Fit Testing workshops over five years, involving 175 participants across five states.
  • Training covered Occupational Safety and Health Administration (OSHA) requirements, respiratory exposures, and qualitative fit testing principles.
  • Informed by National Institute for Occupational Safety and Health (NIOSH)-funded guides and multidisciplinary expertise.

Main Results:

  • Community-Based Respirator Fit Testing Programs involve on-farm hazard identification, respirator selection, medical evaluation, annual fit testing, training, and documentation.
  • Key program components include addressing cost challenges for appropriate respirator selection.
  • Successful implementation requires a systematic approach to fit testing and user training.

Conclusions:

  • Significant barriers to rural agricultural fit testing include equipment costs and limited healthcare provider engagement.
  • Low community awareness and distance to services are major obstacles to effective respiratory protection programs.
  • Addressing these challenges is crucial for improving respiratory health outcomes in the agricultural workforce.