Environmental_Issues - Environmental Situations Shae...

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Unformatted text preview: Environmental Situations Shae Robinson, ATC 05/29/11 PED 217 PED 1 Environmental Situations • These conditions are often life­threatening! • Having an emergency plan is key! EAP: What is your role? Coaches? Who is available during an emergency? • What types of conditions would you consider to be emergency situations? 05/29/11 05/29/11 PED 217 2 Heat Transfer • Conduction – Heating through direct contact with a hot medium (from cooler to warmer or vice versa) • Convection – Transfer of heat through gasses • Radiation – Transfer of heat through space (ex:sun or diathermy lamp) • Conversion • – Transfer od heat through chemical reaction (ex: icyhot (very superficial)) PED 217 How does the body cool itself??? 05/29/11 05/29/11 3 05/29/11 05/29/11 PED 217 4 Heat Illness • Heat Cramps • Heat Exhaustion • Heat Stroke – Don’t have to go through all three of these to get to heat stroke 05/29/11 05/29/11 PED 217 5 Heat Cramps • Causes: – Excessive sweating – Imbalance b/w water and electrolytes • S/Sx: – Muscle twitching & cramps – Usually in legs and abdomen 05/29/11 05/29/11 PED 217 6 Heat Exhaustion • Causes: – Prolonged/Excessive sweating – Inadequate fluid replacement – Diarrhea • S/Sx: Excessive thirst Dry tongue/mouth Weight loss (3­5%body loss) (has to change to dry clothes) – Fatigue/weakness – Loss of coordination 05/29/11 PED 217 05/29/11 – Nausea – – – 7 Heat Stroke • Cause: – Thermoregulatory failure • S/Sx: Sudden Onset HA, vertigo Dry red skin Little – Ø sweating Rapid pulse (160 ­180 bpm) – Increased body temp. – Skin tends to be dry and red – – – – – 05/29/11 05/29/11 PED 217 8 Comparison… 05/29/11 05/29/11 PED 217 9 Tx for Heat Illness • Heat Cramps: – Fluid replacement – Mild stretching – Ice – Dorsiflexion • Heat Exhaustion: – Remove to cool/shaded area – Fluid replacement/increase fluid intake – Cool towels 05/29/11 05/29/11 PED 217 10 Tx Cont… • Heat Stroke: – Remove to cool shaded area – Activate EMS – Oral fluid replacement if conscious – If vomiting occurs discontinue – Cool towels, fan – Do Not Submerge in Ice Bath!!! Why?? • DON’T WANT TO SEND THEM INTO SHOCK(upright position is bad) 05/29/11 05/29/11 PED 217 11 Tx Cont… ALWAYS, ALWAYS, ALWAYS TREAT FOR SHOCK!!!!!!! 05/29/11 05/29/11 PED 217 12 Prevention of Heat Illness • Acclimatization – get them used to • • • • • enviornment Hydration (before during and after activity) Increase intake of Ca, K, Na Adequate amount of rest Screen for PHx of H.I. or malignant hyperthermia Maintain record of weight loss during px 05/29/11 05/29/11 PED 217 13 Guidelines for proper Hydration • Before exercise – 2­3 hours before 17­20 oz of water or sports drink – 10­20 minutes before 7­10 oz water or sports drink • During exercise – Every 10­20 minutes drink 7­10 oz of water or sports drink • After exercise – Approximately 20 oz of water or sports drink per pound of body wt. lost. 05/29/11 05/29/11 PED 217 14 Heat Index Chart • Refer to heat index chart… • Environmental temperature + relative humidity = an increase risk for heat stress! – Why does increased humidity increase risk of H.I.? (because you can not sweat due to the moisture in the air, s it acts as insulation and internal heat increases • Apparent temperature = environmental temperature + relative humidity 05/29/11 05/29/11 PED 217 15 Examples of Heat Illness Problems • Fox EL. (1966). Effects of Football Equipment on • • • Thermal Balance and Energy Cost During Exercise. Res. Quart. 37: 332­339. Case Report – Football player in Louisiana, Fall 1997 Football Player ­ Corey Stringer – Minnesota Vikings, Fall 2001 Football Player – Saline High School – Jeremy Tarlea, Fall 2000 05/29/11 05/29/11 PED 217 16 Tips for Safer Practices • Encourage athletes to practice before two­a­ • • • • • • days begin Avoid workouts during unusually hot temperatures Make fluids part of your daily practice routine Use the shade Wear loose fitting clothing Be prepared for an emergency! Additional measures that can be done?? 05/29/11 05/29/11 PED 217 17 Lightening • Identification – Flash to Bang Method/5 – Known to strike from up to 10 miles away • NCAA Guidelines 05/29/11 05/29/11 PED 217 18 Altitude • Physiological Response • Sickle cell trait reaction • Acclimatization 05/29/11 05/29/11 PED 217 19 ...
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This note was uploaded on 05/29/2011 for the course PED 217 taught by Professor Bartz during the Spring '08 term at Grand Valley State University.

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