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Heat stroke is an acute temperature elevation caused by exposure to excessive heat, or combination of heat and humidity, that overwhelms the heat-regulating mechanisms of the body. The latter is a relatively rare side effect of many drugs, particularly those that affect the central nervous system .
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]
Heatstrokes can cause severe symptoms, including changes in mental status, coma and seizures.A milder form of heat-related illness, known as heat exhaustion, can cause headache, nausea or dizziness.
A whopping 6.3 billion people worldwide experienced at least 31 days of extreme heat since mid-2023. As the climate crisis drives more extreme and frequent heatwaves in the US and around the world ...
Heat exhaustion: Heat exhaustion is the body's response to an excessive loss of water and salt that usually happens from sweating a lot, according to the CDC. It can cause heavy sweating, fatigue ...
The pathophysiology of heat stroke involves an intense heat overload followed by a failure of the body's thermoregulatory mechanisms. More specifically, heat stroke leads to inflammatory and coagulation responses that can damage the vascular endothelium and result in numerous platelet complications, including decreased platelet counts, platelet ...
First, keep an eye out for symptoms of heat exhaustion or other illnesses. “If somebody starts feeling light-headed, dizzy, nausea or headache, that is the time to act immediately,” Linden said.
Unlike heat exhaustion, heat cramps and heat syncope do not have systemic effects. Heat exhaustion is a precursor to heat stroke, a severe form of heat-related illness. Heat stroke is more likely than heat exhaustion to cause palor, hot and dry skin, syncope, and dysfunction of the central nervous system (e.g., altered mental status, loss of ...