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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.
Episodes of vasovagal syncope are typically recurrent and usually occur when the predisposed person is exposed to a specific trigger. Before losing consciousness, the individual frequently experiences early signs or symptoms such as lightheadedness, nausea, the feeling of being extremely hot or cold (accompanied by sweating), ringing in the ears, an uncomfortable feeling in the heart, fuzzy ...
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]
Extreme cold occurs in the U.S. every winter and can be life-threatening when you're unprotected, making it crucial to be prepared for the dangerously cold conditions ahead of time. Extreme cold ...
Feeling hot all the time could be from carcinoid syndrome, a disease caused by some neuroendocrine tumors that typically arise in the gastrointestinal tract, adds Dr. Mohan. These can also come ...
Aim to drink 8 ounces of cold water for every 15 minutes of exercise, advises Mansour. “Consider investing in a water bottle that keeps your water cold or knowing stops along the way where you ...
Feeling subjectively hot; Sweating, which may be excessive; In patients with multiple sclerosis (MS), heat intolerance may cause a pseudoexacerbation, which is a temporary worsening of MS-related symptoms. A temporary worsening of symptoms can also happen in patients with postural orthostatic tachycardia syndrome (POTS) and dysautonomia ...
Of course, if you're feeling sick, it’s a good idea to test yourself so you can know the full picture of what you’re dealing with, says Thomas Russo, MD, a professor and chief of infectious ...