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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]
Heat stroke or heatstroke, also known as sun-stroke, is a severe heat illness that results in a body temperature greater than 40.0 °C (104.0 °F), [4] along with red skin, headache, dizziness, and confusion. [2] Sweating is generally present in exertional heatstroke, but not in classic heatstroke. [5] The start of heat stroke can be sudden or ...
Heat exhaustion is a heat-related illness characterized by the body's inability to effectively cool itself, typically occurring in high ambient temperatures or during intense physical exertion. In heat exhaustion, core body temperature ranges from 37 °C to 40 °C (98.6 °F to 104 °F).
As of 14 April, 45 heat-related illness cases have been reported nationwide: 33 cases of heat exhaustion, 11 cases of heatstroke, and one case of heat cramp. [14] At least two heat-related deaths were recorded in Pahang and Kelantan. [1] [15] [16] Drought conditions affected over 75,000 families in the country, including 58,080 families in Sabah.
An early stage of hyperthermia can be "heat exhaustion" (or "heat prostration" or "heat stress"), whose symptoms can include heavy sweating, rapid breathing and a fast, weak pulse. If the condition progresses to heat stroke, then hot, dry skin is typical [ 2 ] as blood vessels dilate in an attempt to increase heat loss.
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 stress causes illness but also may account for an increase in workplace accidents, and a decrease in worker productivity. [5] Worker injuries attributable to heat include those caused by: sweaty palms, fogged-up safety glasses, and dizziness. [2] Burns may also occur as a result of accidental contact with hot surfaces or steam.
In April, Malaysia's Meteorological Department issued heat wave alerts in several states. The highest temperature recorded was 38.4 °C (101.1 °F) in Negeri Sembilan. On 25 April, an 11-year-old boy and a 19-month-old toddler died of heat stroke and severe dehydration in Kelantan. [33] At least five people required medical treatment due to the ...