Heat exhaustion- A heat stress illness caused by significant dehydration resulting from exercise in warm or hot conditions; frequent precursor to heat stroke.
Heat exhaustion or heat stroke?
Signs of heat exhaustion include weakness, fatigue, nausea, headache, clammy and moist skin and profuse sweating with normal to slightly elevated body temperatures.
Heat Exhaustion and Heat Stroke
Heat-related illnesses can be a common occurrence when exerting energy in the outdoors or poorly ventilated indoors. Two primary contributors can be alcohol consumption and not enough water.
Heat Exhaustion, delirium, stroke, difficulty swallowing; death can occur.
Dehydration can cause any or all of the following: ...
Heat exhaustion is the most commonly diagnosed form of heat illness among athletes, despite the fact that its symptoms are often vague and differ greatly from one situation to another.
Heat Exhaustion is generally caused due to exposure of body to the heavy temperatures or not replacing fluid which is lost by sweating.
The symptoms of overheating can include cramps, nausea, tingling and clammy skin, and can lead to heat exhaustion or heat stroke. Signs of heat exhaustion include sweating a lot, skin that is clammy and cool, and a pulse that is rapid and weak.
"Hot weather puts extra stress on your heart and lungs, which can lead to heat exhaustion," says Marci Goolsby, M.D., assistant attending physician in the Women's Sports Medicine Center at the Hospital for Special Surgery in New York City.
Drinking plenty of water during exercise not only keeps the body cool and protects against heat exhaustion, but also prevents dehydration.
Heat injuries range from mild forms to more serious types, including heat exhaustion and heatstroke.
Heatstroke - when the body's sweating mechanism quits, the skin become hot and dry, and the body loses most fluids - can be life-threatening.
With temperatures soaring above 120 degrees F during the hottest season, dehydration and heat exhaustion are the very first enemies our troops must face.
Heat exhaustion: Besides headache and dizziness, person will look pale, sweat profusely, have clammy skin, feel weak, thirsty, nausea and vomit.
Stroke: The symptoms of stroke are very sudden.
As a result we often excrete more water than we intake, which can lead to heat cramps, heat syncope, dehydration, heat exhaustion, and heat stroke. The most common electrolyte/fluid imbalances are heat cramps and syncope and dehydration.
2-3 percent loss of weight decreases performance by 7%, 3-6 percent loss of weight causes cramps, severe thirst, and a 20 percent drop in performance, a greater loss of body weight of more than 6% will cause severe cramps, heat exhaustion, ...
 See also: Health, Exercise, Fitness, Cool, Stress
  
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