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How to Recognize, Treat and Avoid Hypothermia
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Summary:
This article explains how to recognize, treat and avoid hypothermia. Also included is a list of supplies needed to avoid hypothermia. |
Details or Sample:
What is Hypothermia?
Hypothermia is the condition that occurs within the human body when the body磗 core temperature becomes too low. The normal body temperature is 98.6 degrees Fahrenheit or 37 degrees Celsius. Hypothermia is associated with water accidents, inadequate protection from freezing temperatures and physical exhaustions, among others. Children, seniors, people who磛e been injured and people with severe health problems are at risk. However, anyone who spends long periods of time in a severely cold environment can suffer from hypothermia.
Recognizing Hypothermia
There are a number of ways to recognize the onset of hypothermia. They are:
路 Poor judgment.
路 Being careless about proper protection from the cold.
路 Irrational or unusual behavior.
路 A lack of interest in things.
路 Stumbling.
路 Shivering.
路 Slurred speech.
路 Exhaustion.
路 Feeling cold to the touch.
路 Paleness.
Development of Hypothermia
Hypothermia development is caused by a wide variety of factors, including:
路 Age - seniors and children are at risk.
路 Body size and weight.
路 Health.
路 Exhaustion.
路 Duration of exposure to cold.
路 Nutrition.
路 Medications.
路 Alcohol and caffeine consumption.
路 Frigid temperatures.
路 Wind velocity and wind chill factor.
路 Being wet in cold temperatures.
Loss of Body Heat
Radiation plays a big role in the development of hypothermia. This happens when the body heat radiates from the body into a cool environment.
Evaporation
Evaporation occurs when the body loses heat because too much water is removed from the skin磗 surface.
Conduction
This occurs when body heat is lost because the body is in contact with a cool object, such as snow or ice. The heat leaves the body and is transferred to that object.
Respiration
The heating of air to 98.6 degrees Fahrenheit or 37 degrees Celsius, which is then exhaled into cold air.
Convection
Convection occurs when cold air crosses the body磗 skin surface and body heat is transferred to the colder air.
The Threat of Hypothermia
In extreme weather conditions and freezing temperatures, the threat of hypothermia exists if a person is:
路 Wet.
路 Unconscious.
路 Injured.
路 Elderly.
路 A child.
路 A diabetic.
路 Someone with serious health issues, such as a heart condition or other disorder.
路 Someone who takes a variety of medications.
If you believe that someone has the signs and symptoms of hypothermia, get them to shelter, or make a shelter immediately. The next step is to build a fire or use a camp stove to provide a source of heat. If possible, give the person a hot drink.
Never allow a person who may be suffering from the onset of hypothermia to drink alcoholic beverages or those containing caffeine. This includes coffee, tea and hot chocolate.
Finally, wrap the person in a blanket and add extra layers of clothing to keep body heat in. If he is not wearing a hat, cover his head with the blanket, a towel or a jacket. Once you磛e completed these steps, the person will begin to recover. However, the person should be transferred to a hospital emergency room where he can be checked by a health care professional.
Things to Remember
路 Never warm a person who is suffering from hypothermia too quickly. Allow warmth from a heat source and a hot drink to warm the body slowly.
路 Find shelter immediately, or find a shelter behind rocks, in a wooded area or even a cave.
路 Search for twigs, branches and moss to build a fire.
路 Use evergreen branches, rocks and tree limbs to create a wind break. A trench dug into the snow will also give protection for cold and wind.
路 Wrap the victim in a blanket. If you磖e in a group, all members should huddle together under blankets. Body heat is a good source of warmth.
路 Never sit directly on the cold or snowy ground. Use a blanket, garbage bag or evergreen branches to create an insulated ground cover.
路 Place your hands between your legs or under your armpits. These are places where your body gives off a great deal of warmth.
路 Lay together with another person spoon fashion. This helps both of you retain precious body heat.
路 Loosen laces in shoes and boots for better circulation. If you have a backpack with you, put your feet into it with your boots on.
路 If you are in a group, take turns rubbing each other磗 hands and feet. Rub briskly to cause friction because it is a good heat source.
路 If possible, snack on candy bars, energy bars, nuts and other foods or snacks that are contain a high amount of energy.
路 Light and burn a fuel stick if there are no materials for a fire. A fuel stick provides approximately four hours of heat.
路 Exercise to promote circulation.
路 Never leave a campsite on your own in order to find help. Travel with another person, if possible. Never leave anyone alone at a campsite.
How to Prevent Heat Loss
路 Wear several layers of clothing that is loosely knit and able to breathe.
路 Cover your mouth and nose with a scarf, gloves or mittens. This stops heat loss by respiration.
路 Place insulation on the ground. Never sit or lay directly on snow or cold soil.
路 Keep body extremities covered at all times.
路 Seek shelter in a cave, rock cropping, a cave or wooded area. Be sure to create a wind break.
Getting Help
路 If possible, one member of your party should carry a satellite phone. These types of phones allow you to call for help from most remote areas.
路 Send two people for help. Have them note landmarks along the way.
路 When a phone is available, call 911 and ask for the police or a park ranger. They know how to contact a rescue team.
Emergency Supplies
路 Lighters, waterproof containers of matches and three fire starter kits.
路 An insulated or space blanket. This can be used as a heat reflector, a wind break or as a signal should planes or helicopters be searching for you in a remote area.
路 Several fuel sticks.
路 A jackknife.
路 An abundance of plastic garbage bags. These can be used for insulation or as a blanket.
路 A small wire saw. These are perfect for cutting evergreen branches quickly and efficiently.
路 Low temperature electrician磗 tape to be used to repair clothing, boots, tents, sleeping bags and numerous other items.
路 A large box-type flashlight with four extra sets of batteries and bulbs. This will be as precious as gold if a nighttime emergency should occur.
路 A map and a compass.
路 Lots of extra loosely knit clothing.
路 100 feet of heavy rope or cord.
路 A small mirror to use as a reflector signal.
路 A loud sports coach or policeman磗 whistle.
路 Extra high-energy food.
路 Lots of bottled water.
路 Tablets for purifying water.
路 A metal pot or tin cup for melting snow.
路 Snow shovel.
路 An emergency First Aid kit.
Follow the tips in this article to recognize, treat and avoid hypothermia. Be prepared whenever you go out into extreme weather conditions during the winter months. Always tell several people where you are going and the route you are planning to travel. Give them an estimated time of arrival home and instruct them what to do if you don磘 arrive when you should.
Be sure to always be prepared for harsh weather conditions and emergencies. The life you save may be your own.
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Written by: Mary M. Alward
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