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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.
Other rare causes of hyperthermia include thyrotoxicosis and an adrenal gland tumor, called pheochromocytoma, both of which can cause increased heat production. [2] Damage to the central nervous system from brain hemorrhage, traumatic brain injury, status epilepticus , and other kinds of injury to the hypothalamus can also cause hyperthermia.
Heat exhaustion - Can be a precursor of heatstroke; the symptoms include heavy sweating, rapid breathing and a fast, weak pulse. Heat syncope - Fainting or dizziness as a result of overheating. Heat edema - Swelling of extremities due to water retention following dilation of blood vessels in response to heat.
Multiple dangerous heat waves struck the United States in 2024, and excessive heat is the No. 1 cause of weather-related deaths in the United States. Around the world , rising temperatures have ...
MANILA (Reuters) -The Philippines has closed schools down and warned of overloading on its power grid, as authorities across Southeast Asia issued a series of health alerts for a crushing and ...
On a hot summer day in Oak Ridge, Tennessee, dozens of men removed pipes, asbestos and hazardous waste while working to decontaminate a nuclear facility and prepare it for demolition. Instead ...
Heat syncope, also referred to as exercise-associated collapse, is a moderate form of heat-related illness characterized by a temporary loss of consciousness. 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 stress can result in heat-related illnesses, such as heat stroke, hyperthermia, heat exhaustion, heat cramps, heat rashes, and chronic kidney disease (CKD). [ 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 .