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Heat Stroke Symptons

June 29, 2017

 

As summer begins so does the chance for heat stroke. Well it's felt like spring this last week but we have already had a dose of 90 degree weather. Phewwww that was a hot one. So let's talk about too much heat and what happens when you have heat stroke. Cause let's be real, we love summer but heat stroke, not so much!

 

Heat stroke is a medical emergency that occurs when the body can no longer cool itself. The body suffers from dehydration  because it can’t release internal heat into the environment, resulting in core temperatures of over 104 degrees Fahrenheit. The scary part is that most people aren’t aware that they are in danger of heat stroke — the most severe heat-related illness — until it’s too late. And by then, they have become confused and delirious as a result of nerve damage. To reduce your risk of becoming ill, the first step is to become aware of heat stroke symptoms and the warning signs of heat-related illness. A quick diagnosis is crucial in order to avoid organ failure, cognitive impairment and death.

 

But to ensure that your health is never put in harm’s way because of the heat, take preventative measures to keep your body cool and stay hydrated. So drink your water !!! It’s also important to avoid actions that increase your risk of developing heat-related illnesses, like engaging in physical activity that increases your chances of heat stroke, such as hot yoga and exercising in the direct sun.

 

Did you know that you have temperature receptors in your skin? When the temperature outside the body becomes too high, the receptors send messages to the brain centre that the body is overheated, it then releases heat by sweating and activating the muscles in your skin. Your blood vessels also begin to swell, or dilate, causing your skin to look red. More warm blood then flows close to the surface of your skin so that heat is lost through the skin and into the air.

 

Muscles in your skin work to increase heat loss by causing your hairs to lay down flat, as opposed to raising them up in order to trap more warmth. Your skin glands also secrete sweat onto the surface of your skin in order to increase heat loss by evaporation. Your body will keep sweating, releasing internal heat, until your body temperature returns to normal. Isn't our bodies crazy smart? I mean when we break it down, it's pretty incredible.

 

But what happhens when you sweat so much in an effort to cool down the body that you become dehydrated. Well your body runs out of fluids to sweat out, and you haven’t been drinking enough water to supply more fluids, your body temperature will continue to rise. Again, drink your water!!!! Then you may begin to notice heat stroke symptoms. Once your body’s core temperature rises, all of your innate processes that are in place to regulate your internal temperature break down, creating a serious problem.

 

Heat Stroke Symptoms

 

Ok so let's talk about the symptoms of heat stroke. There are 4 phases that the body goes through before it hits full on heat stroke. So let's go through those.

 

1. Fainting: fainting, occurs when your body tries to cool itself, which causes your blood vessels to dilate so much that blood flow to your brain is reduced. This usually occurs when a person has been working outside or has been physically active in a hot environment. Besides fainting, a person experiencing faining may feel dizzy, restless and nauseous.

 

2. Heat cramps: Heat cramps, also known as muscle cramping, is one of the first sign of heat-related illness. You may feel like you pulled a muscle, even though you weren’t doing anything strenuous. Muscle aches or cramping is a huge warning sign that you are dehydrated and need to get somewhere cool and drink water before your symptoms worsen.

 

3. Heat exhaustion: Heat exhaustion happens when the heat begins to make you feel uncomfortable and ill, leading to symptoms such as heavy sweating, weakness, headache, changes in pulse, cold, pale and clammy skin, nausea, vomiting and fainting. If left untreated, heat exhaustion can advance to heat stroke.

 

4. Heat stroke: Heat stroke is the most serious of all heat-related illnesses. It is a medical emergency because it can lead to serious brain damage, organ failure and even death. The most common heat stroke symptoms include:

  • body temperature above 103 degrees Fahrenheit

  • rapid and strong pulse

  • shallow breathing

  • hot, red, dry or moist skin

  • severe headache

  • fatigue

  • minimal or no sweating, despite the heat

  • nausea and vomiting

  • muscle weakness

  • muscle cramps

  • dark-colored urine

  • delirium

  • confusion

  • seizures

  • unconsciousness

Heat stroke is so serious because it can lead to organ failure and even death. It immediately affects your cognitive function and can lead to impairment. In fact, research shows that approximately 20 percent of patients who suffer from heat stroke have long-term, irreversible brain damage as a result. That’s why some of the most common heat stroke symptoms are delirium and confusion. Your nerve cells are particularly vulnerable when the body becomes overheated, and your brain is made up of these nerve cells. When the body overheats, the blood vessels dilate and blood flow increases, which strains the heart as well.

 

Causes & Risk Factors 
 

Data shows that when the heat index is higher than 95 degrees Fahrenheit, the number of deaths caused by heat-related illnesses like heat stroke increase. As you sweat in high temperatures, your body is losing fluids and you become dehydrated. If you aren’t drinking plenty of water to replace these fluids, you can develop heat stroke symptoms. There are also factors that slow down the body’s ability to release heat into the environment in its attempt to regulate its core temperature. Aside from being in very high temperatures, wearing dark or heavy clothing, being in direct sunlight and engaging in physical activity are all contributing factors.

  • People aged 65 years or older: Elderly people, aged 65 years or older, have a harder time sensing that their bodies are overheated. So, they don’t respond quickly to signs of heat stroke. Older adults also have higher rates of medications that can increase the risk of heat-related illness because they interfere with the way the body reacts to stress and proper hydration.

  • Infants and children: Infants and children rely on adults to keep them cool and hydrated. Plus, they are more prone to heat stroke and other heat-related illnesses because of their greater surface area to body mass ratio. This allows for more heat transfer from the environment to the body. Researchers report that children can’t evaporate heat as well as adults because little ones have slower sweat rates and it takes more time for them to start sweating. Children also have less of a thirst response. So, they may not realize that they are becoming dehydrated.

  • People with chronic medical conditions: Risks for heat stroke and other heat-related illnesses are higher among people with ongoing medical conditions, including obesity, cardiovascular disease, diabetes and respiratory disease. These conditions don’t allow the body to adapt to changes in environmental conditions as easily or quickly. People with mental illness are also at a higher risk of heat stroke because they may not realize when the body is becoming overheated and dehydrated. Social isolation is associated with adverse health effects from heat. So people who are often home alone are at a greater risk of developing heat stroke symptoms.

  • People without access to air conditioning: Research shows that associations between heat and mortality are reduced or even absent in communities with high access to, or use of, air conditioning. Data also shows that individuals who own an air conditioner have a reduced risk of heat-related illness.

  • Athletes: The Centers for Disease Control and Prevention (CDC) reports that the leading cause of death or disability among athletes who train or compete in high temperatures during the late summer and early fall months is heat-related illness. Research shows that the risk is particularly high in the month of August.

  • People who work outdoors: Heat stroke and other heat-related illnesses are very common among people who work outdoors in hot climates. According to an epidemiological review published by the National Institute of Occupational Safely and Health, at-risk workers include fire-fighters, construction workers, farmers, soldiers and manufacturing workers who are working around process-generated heat.

     

     

    7 Natural Ways to Treat & Prevent a Heat Stroke

    1. Drink Plenty of Water

    The most important thing you can do to avoid heat stroke is to drink more water than you usually do because you are losing fluids through sweat. Drink two to four cups of water every hour when you are outside or exercising. Don’t wait until you are thirsty to start drinking water. By then, you are already becoming dehydrated and putting yourself at risk of heat stroke. You can also do sparkling water, or one of my favs add in some lemons, berries, herbs, whatever you love to add!

 

2. Eat Hydrating Foods

  • Hydrating Foods with high water contents help too. Here are some options.

  • coconut water

  • watermelon

  • oranges

  • grapefruits

  • pineapple

  • berries

  • bananas

  • grapes

  • kiwi

  • cucumber

  • bell peppers

  • carrots

3. Avoid Sugary Drinks, Alcohol and Caffeine

 

It’s important to prevent dehydration by avoiding the consumption of sugary, sweetened drinks, alcohol and caffeine. All of these dehydrating beverages cause increased urination and electrolyte loss.

 

4. Avoid Direct Sunlight

 

To avoid developing heat stroke or other heat-related illnesses, limit your time outdoors on those hot days, especially midday when the sun is at its hottest. If you’re outside on a very hot day, stay in the shade. If you’re in an open space, bring an umbrella for protection. For athletes who train outdoors, schedule your workouts earlier or later in the day when there are cooler temperatures.

 

5. Stay in an Air-Conditioned Building

 

You have to keep your body temperature cool during times of extreme heat. Using a fan alone as your cooling device isn’t going to be enough on those really hot days. You are going to need to stay in an air-conditioned home or building for as long as possible. If you don’t have access to an air-conditioner in your home, find an air-conditioned shelter in your community and get some relief there for a few hours. Examples include shopping malls, movie theaters, local libraries, community centers and restaurants. Studies also show that opening windows and using fans at the same time can offer protection against heat stroke during a heat wave. But make sure you aren’t just circulating hot air, which can be dangerous.

 

Other ways to reduce your body temperature include taking a cool shower or bath, applying a cool compress to your head or the back of your neck, wearing lightweight and light-colored clothing and avoiding strenuous activity.

 

6. Check your Medications

 

Some medications can increase your risk of heat stroke because they affect how your body reacts to the heat or they interfere with your salt and water balance. Medications that may alter your ability to deal with high temperatures include antibiotics, antidepressants, antipsychotics, antihistamines, drugs for heart disease, blood pressure and cholesterol, laxatives, diuretics and medications for seizures. If you’re taking any of these kinds of medications, talk to your doctor about your increased risk of heat-related illnesses. And take special care to stay hydrated and cool on hot days.

 

7. Check on Those at Risk

 

Check and make sure your loved ones have access to a cool place and that they’re drinking enough water. Never leave infants or childre in a parked car. Also, make sure to dress them in loose, light clothes. Don’t forget your pets, too! They can develop heat-related illnesses from being left outside in the heat for too long and not having access to water.

  • zucchini

  • avocado

  • tomatoes

  • radishes

  • iceberg lettuce

  • broccoli

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