Hypothermia is a well-known risk, but its lesser-known counterpart, hyperthermia, can be just as deadly. Hyperthermia occurs when the body overheats due to failed thermoregulation, producing or absorbing more heat than it can dissipate. This condition encompasses heat exhaustion, sun stroke, and heat cramps. Like hypothermia, hyperthermia can have severe consequences, including permanent disability or death, if left untreated. Before hiking the Mojave, recognize the symptoms to avoid a fatal outcome from heat exposure.
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The first signs of hyperthermia look like those after a hard workout. Symptoms shift based on the type of heat illness a person has.Symptoms are often hard to tell apart from someone who just finished a heavy workout. Symptoms change based on the type of heat-related illness a person has.Symptoms are hard to spot. They vary depending on the heat-related illness a person experiences.If someone suddenly feels too hot or too cold, or if their pulse slows or races, they might be in the early stages of hyperthermia.
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Some symptoms are hard to identify, especially concerning sweat.Sweat is tricky to identify.If a person is still sweating when it starts, they might sweat more than before. The skin might also get dry and flushed.The skin becomes flushed.As the body loses fluids and dries up, the skin, lips, and mouth get hot and dry. When the body can't sweat anymore, trying to cool down fails because dehydration sets in.
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Hyperthermia officially starts when the body's internal temperature hits 105 degrees Fahrenheit or higher.The body's internal temperature reaches 105 degrees Fahrenheit or above.As the body pushes its limits, symptoms like nausea, vomiting, and headaches take over, making the person feel worse.
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Eventually, heat syncope happens.Heat syncope occurs.Constant exposure to extreme heat makes the body struggle with simple tasks. This lowers blood pressure and weakens the heart, causing lightheadedness and fainting.
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Hyperthermia also affects the brain, like hypothermia. The body shutting down impacts the brain's function, causing sufferers to show confusion.Sufferers show confusion.They have a higher chance of making mental and physical mistakes.
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As hyperthermia affects the brain, a person might become irritable or aggressive.A person becomes aggressive.They might stagger, show more confusion, and act strange, acting like someone who drank too much.
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Some sufferers experience a rapid pulse.Some sufferers experience a rapid pulse.Others experience rapid breathing or a weaker than normal heart rate.Others experience a weaker than normal heart rate.Both rapid pulse and abnormal heart rate show the body struggles to regulate itself.
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The body's effort to keep blood moving stops, and circulation stalls.Circulation stalls.Pale, clammy skin is a sign of hyperthermia.Pale, clammy skin.The skin turns pale.
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This is more common in younger children.This is more common in younger children.One final stage before organs shut down involves a seizure.A seizure.This shows high, constant heat exposure is affecting the central nervous system.The central nervous system is impacted.Even with immediate medical care, a person might get lasting physical injuries.
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In severe cases, the body cannot handle the intense heat. In this last stage before total hyperthermia, all major organs are impacted.All major organs are impacted.Organs begin to fail, leaving little hope for full recovery.
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