Wilderness Medicine Podcast September 2016 - Wilderness And Environmental Medicine Live
Aug 30, 2016
Brent C. Ruby, a physiology expert, discusses hydration strategies crucial for thermal regulation during extreme heat. Wolfgang Lederer addresses pediatric emergencies in alpine rescues, highlighting the unique challenges faced by helicopter EMS teams. Steve Roy emphasizes the importance of wilderness medicine education, particularly for medical residents, while Emmanuel Cauchy reveals innovative tools like the mountain telemedicine kit. The conversation also touches on altitude acclimatization techniques and empowering women in wilderness medicine, making for a riveting exploration of critical medical practices in challenging environments.
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Cold Fluids Aid Thermal Regulation
- Cold beverages like ice slurry can improve thermal regulation more than just hydration volume alone during heat exercise.
- Carrying less volume of cold fluid may maintain thermal control and reduce carried load in wildland firefighting.
Use Cold Fluids to Prevent Overhydration
- Consider colder, smaller fluid volumes to avoid overhydration and hyponatremia during extended exercise.
- Cold beverages may provide hydration satisfaction while limiting excessive fluid intake.
RPE Unchanged Except at High Intensity
- Rating of perceived exertion (RPE) may not differ with cold beverage intake unless work intensity is very high.
- Combining heart rate and skin temperature metrics may better predict heat strain than core temperature alone.