heat exhaustion


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Related to heat exhaustion: salt depletion, dehydration, heat cramps

heat exhaustion,

condition caused by overexposure to sunlight or another heat source and resulting in dehydration and salt depletion, also known as heat prostration. The symptoms are severe headaches, weakness, dizziness, blurred vision, and sometimes unconsciousness. However, the body temperature is not elevated as in heatstrokeheatstroke,
profound disturbance of the heat-regulating mechanism of the body, also known as sunstroke. It is characterized by extremely high body temperatures and sometimes by convulsions and coma.
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. The condition is usually temporary and rarely fatal. Water, mineral, and ion depletion may be so severe that painful spasms of the muscles, commonly called heat cramps, occur. Treatment includes administering a supplemental solution to replace the water, minerals, and ions that have been depleted from the body. See first aidfirst aid,
immediate and temporary treatment of a victim of sudden illness or injury while awaiting the arrival of medical aid. Proper early measures may be instrumental in saving life and ensuring a better and more rapid recovery.
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heat exhaustion

[′hēt ig‚zȯs·chən]
(medicine)
A heat-exposure syndrome characterized by weakness, vertigo, headache, nausea, and peripheral vascular collapse, usually precipitated by physical exertion in a hot environment.
References in periodicals archive ?
With heat exhaustion, taking rest and drinking fluids is important.
Dr Sara Kazim, consultant emergency physician at Rashid Hospital, said a person loses two litres of water by sweating every 24 hours, and when a person suffers from heat exhaustion, this figure can go up to 10 litres.
IF YOU DON'T REPLACE THE FLUIDS YOU'VE LOST, YOU'LL SUFFER HEAT EXHAUSTION.
If a child is left behind in such vehicle, he/she can easily develop heat exhaustion and that can result in heat stroke, which can be life-threatening," he added.
Masdar has issued safety bulletins to project contractors that outline mandatory requirements, such as providing rehydration fluids and supplements to workers before they arrive on site to reduce their risk of heat stroke and heat exhaustion, said the statement.
Heat exhaustion causes extreme sweating, paleness in the face, unsteady walking and moist skin.
Take action fast "If someone has signs of heat exhaustion, move him or her to a cooler environment and hydrate them," says Dr.
Symptoms of heat exhaustion include weakness, profuse sweating, nausea, vomiting, headache, light-headedness, muscle cramps, rapid breathing, rapid pulse and possible fainting.
NHS Direct found heat exhaustion, insect bites, stings, sunburn, fainting, breathing difficulties and hay fever were the main emergencies from more than 2,000 calls during the hot spell last year.
The symptoms of heat exhaustion include head-achesdizziness, nausea and vomiting, muscle weakness or cramps, pale skin and a high temperature.
Can you explain the difference between heat exhaustion and heat stroke?