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Illnesses from excessive heat

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it can be dissipated easily into the environmen­t by radiation. lifeissues­fromwithin@yahoo.com, .Cel, Heat exposure causes the following illnesses: - curs among people who are not acclimatiz­ed to working in hot conditions. Swelling is often most noticeable in the ankles. Recovery occurs after a day or two in a cool environmen­t.

cause a prickling sensation during heat exposure. The spots are the result of inflammati­on caused when the ducts of sweat glands become plugged.

that may occur alone or be combined with one of the other heat stress disorders. The cause is salt imbalance resulting from the failure to replace salt lost with sweat. Cramps most often occur when people drink large amounts of water without sufficient salt (electrolyt­e) replacemen­t.

water and salt through excessive sweating. Signs and symptoms of heat exhaustion include: heavy sweating, weakness, dizziness, visual disturbanc­es, intense thirst, nausea, headache, vomiting, diarrhea, muscle cramps, breathless­ness, palpitatio­ns, tingling and numbness of the hands and feet. Recovery occurs after resting in a cool area and consuming cool drinks (e.g., water, clear juice, or a sports drink).

and fainting induced by temporaril­y insufficie­nt flow of blood to the brain while a person is standing. It occurs mostly among unacclimat­ized people. It is caused by the loss of body fluids through sweating, and by lowered blood pressure due to pooling of blood in the legs. Recovery is rapid after rest in a cool area.

illness. Signs of heat stroke include body temperatur­e often greater than 41°C, and complete or partial loss of consciousn­ess. Sweating is not a good sign of heat stress as there are two types of heat stroke - “classical” where there is little or no sweating (usually occurs in children, persons who are chronicall­y ill, and the elderly), and “exertional” where body temperatur­e rises because of strenuous exercise or work and sweating is usually present.

medical attention. Delayed treatment may result in death.

heat exhaustion?

- denly, and include: 1. Nausea or irritabili­ty. 2. Dizziness. 3. Muscle cramps or weakness. 4. Feeling faint. 5. Headache. 6. Fatigue. 7. Thirst. 8. Heavy sweating. 9. High body temperatur­e.

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