What are the 5 stages of heat stress?
Nikita Osinski
2025-09-28 13:10:29
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Heat cramps are the initial sign of heat illness. Cramps and spasms will occur due to dehydration or an electrolyte imbalance, and if not attended to, can progress to heat exhaustion. During heat exhaustion, a person will experience fever, heavy sweating, weakness, dizziness, headache or nausea. At this stage, it is also possible for people to experience heat syncope – a fainting or dizziness episode triggered by a decreased blood flow to the brain due to standing for long periods in high heat or quickly rising from the sitting or lying position in a hot environment. Without care, heat exhaustion progresses to heat stroke. Heatstroke is a life-threatening condition that occurs when the body’s temperature rises rapidly above 104°F and the body can no longer control its temperature and is unable to cool down.
Nathaniel Borer
2025-09-28 08:56:30
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Heat emergencies have three stages: heat cramps, heat exhaustion, and heatstroke. Heat Cramps are the first stage of heat emergency. Symptoms of heat exhaustion include: muscle cramps, dizziness, mild confusion, fast heart rate or breathing, headache, irritability, extreme thirst, nausea or vomiting, pale skin, heavy sweating, fainting. With heatstroke, all the symptoms of heat exhaustion may be present, plus: body temperature over 104°F, irrational behavior or hallucinations, confusion, rapid, shallow breathing, rapid, weak pulses, seizures, loss of consciousness, dry skin.
Carli Will
2025-09-28 08:36:25
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Part of being safe in the heat is knowing the five stages of heat-related illness: Heat rash: This results in skin irritation caused by perspiration that does not evaporate. Heat cramps: This is serious but does not require medical assistance if the symptoms do not persist. Heat exhaustion: This condition is serious and should mark the end of the victim’s work day. Heat stroke: This is the most severe form of heat-related illness reached when the body cannot cope under the heat any longer. The victim might appear entirely confused, fall over or have a seizure.
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