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Effects of Heat Illnesses
The loss of fluid and salt through perspiration and improper replacement of
them can lead to dizziness and weakness. Body temperature might rise, but
not above 102 degrees. In some cases, victims especially the elderly should
be hospitalized. Heat exhaustion is more likely to occur after continuous exposure
to excessive heat waves. The best prevention from heat exhaustion is to drink
plenty of water and minimize physical activity in the heat. Salt tablets should
not be taken without consulting a physician.
The importance of the Heat Index is to show how hot a particular combination
of heat and humidity feels. The Heat Index in the Hydra-Alert is a report of
the latest weather conditions based on the current temperature and the relative
humidity. Please refer to the following Heat Index Chart to learn about the
Apparent Temperature and to minimize the possibility of getting heat stroke.
If a specific activity is not available in your watch, choose a similar exercise
type and use the corresponding parameter from the table below to set your
watch (Please refer to page 28 to set the MET Parameter).
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In some cases, extreme heat can upset the body’s thermostat causing body
temperature to rise to 105 degrees or higher. Heat stroke symptoms include
lethargy, confusion, and unconsciousness. Suspicion of heatstroke also requires
immediate medical attention since heatstroke can result in death.
Heat Syncope or Fainting:
Anyone not used to exercising in the heat can experience a quick drop in blood
pressure that can lead to fainting.
easy.
Exercise more fatiguing than usual
Heat cramps, exhaustion possible
Heat exhaustion likely
Heat sroke imminent
Category Apparent
Temperature
Dangers