Media release Tshwane is experiencing extremely hot weather that is associated with a heat wave. This heat will be with us for quite some time, but might even return after it has subsided. The Emergency Services Department is always ready to respond to any incident related to heat waves. So please report such incidents to the Emergency Control Centre on the following numbers: 10177 or 012 358 6300/6400. Emergency Services would also like to provide the people of Tshwane with the following information on extremely hot weather conditions: Vulnerable groups The following people are vulnerable to heat waves:
What is heat exhaustion? The body cools itself by sweating. Should sweating be insufficient to meet the cooling demands of the body, heat-related illnesses can occur. These present with minor symptoms such as heat rash, which progresses to heat cramps, then heat exhaustion, and finally to heat stroke, a life-threatening medical condition. Heat exhaustion occurs when a person exercises and works in a hot environment and the body cannot cool itself adequately. Dehydration occurs, as excessive sweating causes loss of water, which causes muscle cramps, weakness, and nausea and vomiting. This makes it difficult to drink enough fluid to replenish the body’s water supply. The lack of body water impairs further sweating, evaporation and cooling. Relative humidity is another important factor in developing heat exhaustion. If the humidity is too high, sweat on the skin cannot evaporate into the surrounding air and the body cannot cool down. What are the symptoms of heat exhaustion? Individuals with heat exhaustion tend to have symptoms such as:
Cooling and rehydration are the cornerstones of treating heat exhaustion. Affected people should stop their activity and move from the hot environment to a cooler environment. The person may be placed in the shade or taken to an air-conditioned environment (remember that cars have air conditioning). Clothes may be removed to help with air circulation across the body. Misting the skin with cool water also helps, as it stimulates evaporation and cools the body. Rehydration is the next important step in treating heat exhaustion. This may be a challenge if the person is nauseous and vomits. Small sips of water, a mouthful at a time, might be tolerated even if some vomiting persists. Water, sports drinks and other electrolyte replacements are good options. If oral rehydration fails or if symptoms persist, intravenous fluids may be required to replace the water lost through excessive sweating. Hydration continues until the patient begins to urinate, a signal that there is enough fluid in the body and fluid need not be retained any longer. Precautions
For enquiries please contact: Johan Pieterse |
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