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Heat waves are often followed by a rise in the death rate, and these 'classical hyperthermia' deaths typically involve the elderly and infirm. This is partly because thermoregulation involves cardiovascular, respiratory and renal systems which may be inadequate for the additional stress because of the existing burden of aging and disease ...
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 stroke results in more than 600 deaths a year in the United States. [4] Rates increased between 1995 and 2015. [3] Purely exercise-induced heat stroke, though a medical emergency, tends to be self-limiting (the patient stops exercising from cramp or exhaustion) and fewer than 5% of cases are fatal.
Ten elderly residents have died from hyperthermia since May 1 in Tarrant County, according to the Tarrant County Medical Examiner’s Office.
Heat exhaustion is more common than heat stroke and can lead to heat stroke, which is a more serious medical emergency that presents risks to one's life and organ function.
In a medical setting, mild hyperthermia is commonly called heat exhaustion or heat prostration; severe hyperthermia is called heat stroke. Heatstroke may come on suddenly, but it usually follows the untreated milder stages. Treatment involves cooling and rehydrating the body; fever-reducing drugs are useless for this condition.
to thicken (as the nucleus does in early stages of cell death) Greek πύκνωσις (púknōsis), thickening pyknosis: pylor-gate Greek πυλωρός (pulōrós), gate keeper; lower orifice of the stomach pyloric sphincter: pyr-fever: Greek πῦρ, πυρετός (pûr, puretós), fire, heat, fever antipyretic
When Kenney tested young and old people in dry heat, young volunteers could function until 125.6 degrees (52 degrees Celsius), while the elderly had to stop at 109.4 (43 degrees Celsius).