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Related Concept Videos

Responses to Heat and Cold Stress02:45

Responses to Heat and Cold Stress

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Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
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Here are the steps to accurately measure oral temperature using an electronic thermometer:
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Assessing Body Temperature - Temporal Artery01:19

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Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
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Procedural Guide for Assessing Axillary Body Temperature using a Digital Thermometer:
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The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
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Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
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A Preclinical Model of Exertional Heat Stroke in Mice
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Developing and Refining a Knowledge Assessment Instrument for Individuals Involved in Managing Occupational Heat

Emily J Tetzlaff1, Bruce E Oddson2, Kristina-Marie T Janetos1

  • 1Human and Environmental Physiology Research Unit, School of Human Kinetics, University of Ottawa, Ottawa, Ontario, Canada.

American Journal of Industrial Medicine
|October 3, 2025
PubMed
Summary
This summary is machine-generated.

Occupational health and safety (OHS) representatives can now assess heat stress knowledge using the new HEPRU-OHSKAT tool. This validated instrument helps evaluate understanding and manage training for workplace heat safety.

Keywords:
heat strainheat stress managementheat‐health educationoccupational health and safety

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Area of Science:

  • Occupational Health and Safety
  • Environmental Physiology
  • Knowledge Assessment

Background:

  • Occupational heat stress is a significant risk to worker health, safety, and productivity.
  • Effective management requires OHS representatives to understand heat stress, its health outcomes, and mitigation strategies.

Purpose of the Study:

  • To develop and validate the Human and Environmental Physiology Research Unit-Occupational Heat Stress Knowledge Assessment Test (HEPRU-OHSKAT).
  • To create the first instrument for assessing heat stress knowledge among OHS professionals.

Main Methods:

  • Mixed-methods approach including literature review and expert content validity assessment.
  • Pilot testing with OHS experts and internal groups.
  • Distribution to OHS professionals and the general working population in Ontario, Canada (n=317).
  • Item analysis and item response theory modelling for instrument refinement.

Main Results:

  • A preliminary 32-item instrument was developed.
  • 31 items were retained after expert review and pilot testing, covering four subscales.
  • The final instrument consists of 20 items, demonstrating good reliability and internal consistency.

Conclusions:

  • The HEPRU-OHSKAT is the first validated tool to assess heat stress knowledge in OHS personnel.
  • The instrument is reliable and internally consistent, aiding in the evaluation and management of heat stress training.