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Exertional Heat Illness: Advanced Analysis of Extrinsic Risk Factors

presented by Susan Yeargin, PhD, ATC

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Disclosure Statement:

Financial: Susan Yeargin receives compensation from MedBridge for this course. There is no financial interest beyond the production of this course.

Non-Financial: Susan Yeargin serves on the Korey Stringer Institute Medial Advisory Board, and is an associate professor at the University of South Carolina Department of Athletic Training.

Satisfactory completion requirements: All disciplines must complete learning assessments to be awarded credit, no minimum score required unless otherwise specified within the course.

MedBridge is committed to accessibility for all of our subscribers. If you are in need of a disability-related accommodation, please contact [email protected]. We will process requests for reasonable accommodation and will provide reasonable accommodations where appropriate, in a prompt and efficient manner.

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Video Runtime: 74 Minutes, Learning Assessments: 39 Minutes

Research on EHI has been increasing over the last decade, but a gap of how to translate results to prevention strategies and policies may exist. Research evaluating common predisposing factors will be reviewed to develop focused prevention strategies for EHI in active populations. Constructing the framework of prevention policies for EHI is provided throughout the course. Extrinsic risk factors within the categories of organizational and environmental factors will be covered in this course.

Meet Your Instructor

Susan Yeargin, PhD, ATC

Susan Yeargin is an associate professor of athletic training at the University of South Carolina. She serves on NATA's pronouncements and research committees. She was a task force member and author of the "Preseason Heat-Acclimatization Guidelines for Secondary School Athletics" and a coauthor of the recent NATA position statement update on exertional heat illnesses. She…

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Chapters & Learning Objectives

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1. Introduction

In this chapter, the difference between extrinsic and intrinsic risk factors is clarified, and types of prevention strategies are defined. Research examining overall prevalence of exertional heat illnesses is also provided.

2. Organizational Factors: Inappropriate Work-to-Rest Ratios

A description of the heat balance equation is reviewed, explaining why inappropriate work-to-rest ratios are a predisposing factor for EHI. Discussion of how to use the research results for the practical application of prevention strategies is presented. Examples of policy statements that can be used for different active populations are given.

3. Organizational Factors: Pressure and Wrong Diagnosis

An explanation of how organizational pressure can be a predisposing factor for EHI is provided. Wrong diagnosis, improper treatment, and lack of education are identified as risk factors for heat stroke deaths. Discussion of how to use the research results for the practical application of prevention strategies is presented. Examples of policy statements that can be used for different active populations are given.

4. Environmental Factors: High Wet-Bulb Globe Temperatures

In this chapter, the instructor describes why high environmental temperatures are a primary risk factor for EHI, as well as components of WBGT as a measure of environmental temperature. Various WBGT activity modification tables are presented, along with the advantages and disadvantages of each. How to measure WBGT is demonstrated and explained. Discussion of how to use the research results for the practical application of prevention strategies is presented. Examples of policy statements that can be used for different active populations are given.

5. Environmental Factors: Uniforms

Thermal stress demands that result from wearing uniforms are described with supporting research. Different uniform configurations (American football, baseball, military) are discussed. The instructor presents how to use the research results for the practical application of prevention strategies. Examples of policy statements that can be used for different active populations are given.

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