Heat exhaustion is a milder form of heat-related illness that can develop after several days of exposure to high temperatures and inadequate or unbalanced replacement of fluids. Those most prone to heat exhaustion are elderly people, people with high blood pressure, and people working or exercising in a hot environment.
Recognizing Heat Exhaustion
Warning signs of heat exhaustion include the following:
The skin may be cool and moist. The victim's pulse rate will be fast and weak, and breathing will be fast and shallow. If heat exhaustion is untreated, it may progress to heat stroke. Seek medical attention immediately if any of the following occurs:
Otherwise, help the victim to cool off, and seek medical attention if symptoms worsen or last longer than 1 hour.
What to Do
Cooling measures that may be effective include the following:
Source: U.S. Centers for Disease Control and Prevention (CDC) - National Center for Environmental Health
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