Temps above 100 degrees; know signs of heat stroke

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ST. GEORGE — As temperatures hold steady above 100 degrees in Southern Utah, some unusual effects may hit individuals not taking necessary precautions. Dehydration, heat exhaustion and eventually heat stroke are conditions that find people ailing and even heading to the emergency room.

Heat Exhaustion

Heat exhaustion is less severe than heat stroke and includes two types: water depletion and salt depletion. In cases of water depletion, extreme thirst, weakness, fainting and headache are common. Salt depletion symptoms include nausea, vomiting, dizziness and muscle cramps.

If the symptoms are not addressed swiftly, heat exhaustion can lead to heat stroke.

Heat Stroke

Heat stroke is a medical emergency and can kill or cause damage to the brain and other internal organs, said a report in WebMD.

Many will find their body progresses from dehydration to heat exhaustion, and eventually to heat stroke. According to the report, symptoms include:

  • Throbbing headache
  • Dizziness and light-headedness
  • Lack of sweating despite the heat
  • Red, hot, and dry skin
  • Muscle weakness or cramps
  • Nausea and vomiting
  • Rapid heartbeat, which may be either strong or weak
  • Rapid, shallow breathing
  • Behavioral changes such as confusion, disorientation, or staggering
  • Seizures
  • Unconsciousness

If you suspect someone is experiences the symptoms of heat stroke, call 9-1-1 immediately. If possible, cool the individual with ice packs or water, and administer first aid. 

Hydration for everyone

Hydrating is the intake or absorption of necessary fluids. Water is the best fluid, unless there is strenuous exertion or other unusual circumstances. The following are some key points to insure proper hydration.

  • Don’t wait until you’re thirsty.  Thirst is not the best indicator that you need to drink, it is an indicator that you are already behind on fluids.
  • Schedule your fluid intake. Christie Benton, outpatient dietician with Intermountain, recommends “scheduled” fluid replacement as a better approach for daily fluid intake.
  • Hydrate and rehydrate before, during and after activity. Fluid losses increase as the body sweats.
  • Consume water or fluids when you eat.
  • Bring water with you wherever you go, and keep water at your bedside.
  • Check the color of your urine. If it is the color of apple juice, then you need to drink more water.  If it’s the color of lemonade, you are usually okay.

Remember that humans do not store water.

“The body has no provision for water storage,” Benton said in her survey response. “What goes out in 24 hours must be replaced.”

Attention to kids

Benton recommended the following ideas to insure kids are hydrating:

  • Schedule water or beverage breaks, especially if kids are playing.
  • Serve a beverage with meals and snacks.
  • Get them their own “cool” water bottle and keep it filled.
  • Offer beverages other than water on occasion, to add calories and variety, especially for active kids.

Attention to seniors

Dehydration can pose a greater risk to seniors. Seniors may be less aware of thirst, less mobile, on diuretics or on medications that amplify the effects of dehydration. Compromised kidney function and certain medications may cause water loss.  Ability or inability to provide self-care may also be a factor in seniors at risk for dehydration.

“Unless there is a medical reason to restrict fluids, be pretty liberal with water,” Van Norman said. “There is no medical basis for the ‘8 glasses of water per day’ slogan, but certainly drinking several glasses per day is a good idea. Seniors should need to empty the bladder about every 2-3 hours during the day.”

Attention to infants

Doctor and Pediatric Medical Director at Intermountain’s DRMC, Marty Nygaard, recommends that babies be kept out of the heat if possible.

Benton said that 5-6 wet diapers a day is usually a good indication of proper hydration.

Small amounts of clear liquids should be given frequently if a baby is feverish or vomiting. If fluids can’t be retained, then it’s time to visit the ER.

Nygaard’s survey response to Intermountain stated, “Studies have shown … that children can almost always be re-hydrated without resorting to IV fluids. Sometimes oral hydration requires using a small syringe to give sips.”

 Did you forget something? Don’t make this deadly summertime mistake

Attention to dogs and other pets

For the most part, dogs do not sweat and they cannot tolerate high environmental temperatures. They depend upon panting to exchange warm air for cool air. But when the air temperature is close to their body temperature, panting is not an efficient cooling process for them. Heat stroke is an indicated emergency for canines and requires immediate treatment. Heat is similarly a problem for other animals.

Contributors to overheating dogs are not hard to find with temperatures over 100 degrees, but a list included on Webmd.com is worth noting:

  • Being left in a car in hot weather
  • Exercising strenuously in hot, humid weather
  • Being a brachycephalic breed, especially a Bulldog, Pug, or Pekingese
  • Suffering from a heart or lung disease that interferes with efficient breathing
  • Suffering from a high fever or seizures
  • Being confined on concrete or asphalt surfaces
  • Being confined without shade and fresh water in hot weather
  • Having a history of heat stroke

Symptoms and treatment are beyond the scope of this article and pet owners or those encountering a dog in distress are referred to the Webmd link above for starters and urged to seek veterinary attention for the dog without delay.

Going hiking? Read more: How to hike safely, how to be found

The best advice for all: Stay cool and drink, drink, drink.

St. George News Editor-in-Chief Joyce Kuzmanic contributed to this article.

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1 Comment

  • Party Hearty July 6, 2014 at 8:00 am

    Only morons say “It’s a dry heat.”

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