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Heat illness is a spectrum of disorders due to increased body temperature. It can be caused by either environmental conditions or by exertion. It includes minor conditions such as heat cramps, heat syncope, and heat exhaustion as well as the more severe condition known as heat stroke. [1] It can affect any or all anatomical systems. [2]
Symptoms include profuse sweating, weakness, dizziness, headache, nausea, and lowered blood pressure, resulting from dehydration and serum electrolyte depletion. Heat-related illnesses lie on a spectrum of severity, where heat exhaustion is considered less severe than heat stroke but more severe than heat cramps and heat syncope. [1]
Know the signs and what to do if someone is unwell in hot weather.
Active muscles produce heat, but once you stop exercising, that heat dissipates and can ultimately lower your body temperature, Dr. Quinlan says. You might even develop muscle cramps, nausea, or ...
Many heat-related illnesses can be treated by staying hydrated and cooling off indoors, ... Symptoms: Headache. Nausea. Dizziness. Weakness. Heavy sweating. Cold and clammy skin. Muscle cramps.
Heat syncope is fainting or dizziness as a result of overheating (syncope is the medical term for fainting). It is a type of heat illness. The basic symptom of heat syncope is fainting, with or without mental confusion. [1] Heat syncope is caused by peripheral vessel dilation, resulting in diminished blood flow to the brain and dehydration.
Symptoms include headache, dizziness, nausea, vomiting, and excessive sweating. Heat exhaustion can be treated by moving to a cool place, drinking fluids, and applying cool compresses to the skin ...
Heat stroke or heatstroke, also known as sun-stroke, is a severe heat illness that results in a body temperature greater than 40.0 °C (104.0 °F), [4] along with red skin, headache, dizziness, and confusion. [2] Sweating is generally present in exertional heatstroke, but not in classic heatstroke. [5] The start of heat stroke can be sudden or ...