Heat Exhaustion & Heat Stroke

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Summer is here and already Southern California sees increasing heatwaves that break records. If you aren’t careful and pay attention to what you are doing you can find yourself suffering from heat exhaustion or even continuing on into heat stroke. Those at most risk are those who push themselves too hard, children and elderly people. We are hoping that after reading this, you will know how to identify the two types of heat illness and how to treat them both.

Your body cools itself by sweating to put liquid (sweat) on your skin and allowing airflow to evaporate it and cool you down. When something interferes with this or you are heating beyond your body’s capacity to cool yourself down you run the risk of getting heat exhaustion.

Untreated it can turn into heat stroke and heat stroke can lead to organ damage and even death.

 

heat stress symptoms

 

TWO TYPES OF HEAT EXHAUSTION

There are two types of heat exhaustion.

The first being dehydration.

This happens when you sweat and urinate out more fluids than you take in. It can be made worse by drinking caffeine or alcohol.

The second type is salt depletion.

Similar to the first type but it is the result of urinating a sweating out more minerals than you have been taking in. This type is usually associated with cramping.

As the name implies this all takes place during physical activity in a hot environment.

SYMPTOMS OF HEAT EXHAUSTION

The first symptom of dehydration is usually excessive thirst. Other symptoms of dehydration will include muscle cramps, weakness, dark urine, weakness and headache.

Salt depletion will show up as well as the previously mentioned cramps along with possible nausea, vomiting, diarrhea and dizziness/lightheadedness.

Other symptoms of both kinds can include fainting, pale skin, profuse sweating, rapid heartbeat and loss of consciousness.

Certain medical conditions can make you more susceptible to heat exhaustion. If you are over 65 or over weight, have high blood pressure, sickle cell or diabetic you are at an increased risk for heat exhaustion. Medications for these conditions may also raise your risk. If you fall into any of these categories you will need to be extra vigilant watching for the symptoms.

SYMPTOMS OF HEAT STROKE

Heat stroke is the most serious and should be treated immediately or call 911.

Heat stroke is usually precipitated by heat exhaustion if left untreated and can lead to death.

The following are the most common symptoms of heat stroke. However, each individual may experience symptoms differently. Symptoms may include:

  • Headache
  • Dizziness
  • Disorientation, agitation, or confusion
  • Sluggishness or fatigue
  • Seizure
  • Hot, dry skin that is flushed but not sweaty
  • A high body temperature
  • Loss of consciousness
  • Rapid heartbeat
  • Hallucinations

TREATING HEAT EXHAUSTION/STROKE

If you suspect you have heat exhaustion your priority should be to rehydrate and cool down.

Move into a cool room or at least find some shade to sit down in. Remove any clothing (especially any tight clothing) and drink plenty of fluids. If possible take a cool shower to speed up the cooling process.

If you have a thirst quencher like Gatorade or Powerade drink it as it will replace the minerals you have lost and help with the second type of heat exhaustion.

If you have not recovered within 15 to 20 minutes of this treatment it is time to seek professional help as you may have already slipped into heat stroke.

According to WebMD if you do recover from this heat exhaustion you will probably be more sensitive to the heat for the next few days, so you will need to watch for symptoms even more diligently.

PREVENTING HEAT STROKE

Anytime the humidity exceeds 60% everyone is at a higher risk of heat exhaustion. There are several things you can do to reduce your risk.

When you know you are going to be working outdoors in the heat it is a good idea to drink 20 ounces of water a couple hours before you are set to start your outdoor work, then while you are actually working stay hydrated by drinking extra fluids during your workday.

You should dress for the heat. This would include light colored loose fitting clothing, along with a wide brimmed hat, to keep the sun off your head. The use of sunscreen will also help. A 30 spf sunscreen has become the standard recommended minimum.

The last thing is to avoid alcohol and caffeine. I know many would find a cold beer a refreshing break in hot weather, but too much alcohol will actually work against you.

The main thing to remember is that your body will work to keep you cool. Your job is to allow it to do its job the way it was designed. Stay hydrated so you have enough liquid to sweat out and keep your clothing light and loose enough so your sweat can evaporate and cool you down.

When working in hot weather stay aware of your environment and how your body is reacting to it, and if you see symptoms, start acting immediately to remedy the situation. If you stay on top of it you should have a safe, pleasant summer without any unforeseen trips to the emergency room.

Always have a supply of water handy in your car, home and bug out bag. We recommend having a 6-Pack of Water Pouches like these that have a 5-year shelf life and are easy to grab and go.

Water Pouches

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