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Heart Stress

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HEAT STRESS
Heat stress can be a serious problem in hot working environments. The body temperature for a human must be maintained all the time, regardless of work load or adverse environmental conditions. A drastic increase in body temperature can result in death. The body initially responds to heat by sweating and by circulating blood closer to the skin's surface to lower the main body temperature.

High temperatures, high humidity, sunlight, and heavy workloads increase the heat stress. Too much heat can also make workers lose their concentration or become fatigued and thus increases the chance of accidents and injuries.
This heat stress may lead to the following:
Heat Rash: Is an early signal of potential heat stress. It is commonly associated with hot, humid conditions in which skin and clothing remain humid. Heat rash may involve small areas of the skin or the entire upper body
Heat syncope: Is characterized by dizziness or fainting while standing still in the heat for an extended period.
Heat Cramps: Symptoms include painful cramps or spasms in the legs, arms, or abdomen. Heat cramps are often caused by a temporary fluid and salt imbalance during hard physical work in hot environments.
Heat Exhaustion which results from the reduction of body water content or blood volume. The condition occurs when the amount of water lost as sweat exceeds the volume of water drunk during the heat exposure. The victim of heat exhaustion may have some or all of the signs or symptoms: heavy sweating; clammy, flushed, or pale skin; weakness; dizziness; nausea; rapid and shallow breathing; headache; vomiting; or fainting.
Cold Stress: When in a cold environment, most of your body's energy is used to keep your internal temperature warm. Over time, your body will begin to shift blood flow from your extremities (hands, feet, arms, and legs) and outer skin to the

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