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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 spatial awareness, loss of bodily movement control, seizures, etc.).
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]
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.
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 ...
As tens of millions of residents remain under excessive heat warnings, concerns about heat-related illnesses rise. Skip to main content. 24/7 Help. For premium support please call: 800 ...
Heat also causes blood vessels to widen, which lowers blood flow through the body, according to Manhattan Cardiology. Both exacerbate POTS and can affect people with other chronic illnesses.
As the U.S. faces a mid-June heat wave, here's what to know about heat exhaustion and heat stroke—and how to stay safe.
[2] [3] Although heat exhaustion is less severe, heat stroke is a medical emergency and requires emergency treatment, which if not provided, can lead to death. [4] Heat stress causes illness but also may account for an increase in workplace accidents, and a decrease in worker productivity. [5]