Dehydration and heat Illness · 2020. 8. 21. · THINGS TO KNOW… • water: 65% of body weight...
Transcript of Dehydration and heat Illness · 2020. 8. 21. · THINGS TO KNOW… • water: 65% of body weight...
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D E H Y D R A T I O N A N D H E A T I L L N E S S
C V H C H I K E L E A D E R S
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T H I N G S T O
KNOW…
• water: 65% of body weight
• average man 45 liters
• dehydration: body fluid
deficit
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F A C T O R S C O N T R I B U T I N G T O
D E H Y D R A T I O N
• ambient temperature
and humidity
• core temperature
• exercise
• sweat
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C L I N I C A L S I G N S
O F
D E H Y D R A T I O N
• decreased sweating
• dizzy
• headache
• fast heart rate
• fatigue
• cramping
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D E H Y D R A T I O N
P R E V E N T I O N
• Pre-hydrate 1/2 L two hours
before hike, eat a meal
• During hike 4-6 oz every 30
minutes
• On shorter, less strenuous
hikes water is adequate
• On longer hikes, use an
electrolyte enhanced fluid
supplement
• Snacks
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B E S T E L E C T R O L Y T E - E N H A N C E D
H Y D R A T I O N F L U I D ? ? ?
• Gatorade/Powerade: K, Na 450mg/L, sugar, artificial
color and flavoring
• Ultima Replenisher: no sugar, or artificial color, no
carbs, Lytes: Se, Zn, P, Ca, K, Cl, Na, Mg
• Nuun: Na 359mg, K 97mg, Carbs 3g, no sugar, Ca,
Mg, Vit C, Ribo
• GU tabs: Na 350mg, K 55mg, Ca, Carbs 22g, Sugar
6g
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T R E A T M E N T
• Rest, Shade
• Hydrate with
electrolyte solution
• Shot blocks: Carbs
80g, Sugar 40g, Na
430mg, K
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H E A T I L L N E S S
C V H C H I K E L E A D E R S
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M I N O R H E A T
I L L N E S S
• heat edema
• heat cramps
• heat syncope
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M A J O R H E A T
I L L N E S S
• heat exhaustion
• heat stroke
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