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Avoid Getting Lost

Ways To Avoid Becoming Lost and What To Do If You Do Become Lost. If you get lost today, will anyone know? Are you prepared?

Leave A Message With A Friend

A note, left with a responsible person, explains your destination, the route (or runs) you are taking, who is with you, and your return time. If you do not return as planned, this person can give the accurate information to the police.

Always Carry The 10 Essentials

Be ready to stay out overnight in a survival situation. It is quite likely that you may not be reported missing for many hours. Carry extra clothing, survival gear, and be mentally prepared to endure the night out.

Never Hike Alone

Hike with a group and keep together. If a person becomes separated by going ahead or falling behind they are more likely to become lost.

Be Prepared For Your Chosen Hike

Hiking requires physical preparation. Be physically fit to enjoy your activities. Stick to a turn around time, and leave enough time to get home without causing people to worry about you. Take the proper equipment and have a trip plan – even if you will be hiking for only a few hours on a local mountain.

Do Not Panic

Maintain a positive mental attitude if you become lost. Being lost is not dangerous if you are prepared. Stay Where You Are. People who go on, after becoming lost, usually get further from the trail and further from people who are looking for them. Help will come.

Do Not Go “Downhill”

On the North Shore, going downhill often leads to dangerous natural drainages. These drainages have the common features of very thick bush, steep cliffs, and waterfalls.

Use Signaling Devices

Blowing a whistle, lighting a fire, and staying visible will help searchers find you. Help people trying to find you, even if you feel embarrassed or afraid. Remember that animals will not be attracted to your signals.

Build or Seek Shelter

Protect yourself from the elements. Be as comfortable as possible but when it is light make sure you are visible from the air and visible to searchers in helicopters or planes.

It Could Happen To YOU

Bad weather, early darkness or an unexpected injury can turn an easy hike into an extended crisis. IT CAN HAPPEN TO YOU! By being prepared you will enjoy your trip in the backcountry regardless of what nature throws at you.

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Treating Hypothermia

Hypothermia occurs when core body temperature drops below 35 degrees Celsius. This occurs when the body’s ability to generate heat by burning calories, muscle exertion and shivering is overwhelmed by heat loss. Heat is lost in four ways; radiation to a cold environment, conduction through contact with cold surfaces, convection from wind and water currents and evaporation of moisture. Improperly prepared or injured backcountry travellers can become hypothermic even in summer months.

The international commission on alpine rescue classifies hypothermia into five stages based on core body temperature. Each stage can also be differentiated by clinical findings in the field when core temperature reading may not be available.

HT I: Mild Hypothermia, 35-32 degrees

Normal or near normal consciousness, shivering

HT II: Moderate Hypothermia, 32-28 degrees

Shivering stops, consciousness becomes impaired

HT III: Severe Hypothermia, 24-28 degrees

Unconscious, may be difficult to detect vital signs

HT IV: Apparent Death, 15-24 degrees

HT V: Death from irreversible hypothermia

The goals of treating all stages of hypothermia are the same. Prevent further heat loss by radiation, convection, conduction and evaporation.  This means changing wet for dry clothing, insulating the patient from the environment, providing shelter from the environment and arranging evacuation. If possible the patient should be provided with hot sweet drinks and food as fuel for their body to produce heat.  Once patients move beyond mild hypothermia they will likely no longer be able to produce enough heat to warm themselves. Once further heat loss is prevented with adequate clothing, insulation and shelter, they require the addition of external sources of heat for warming.

Treatment of mild hypothermia/HT I

Mild Hypothermia can often be treated simply by changing any wet for dry clothing, properly insulating the patient and providing hot sweet drinks for calories.  If the patient is otherwise healthy and uninjured once they have been properly insulated and given adequate caloric replacement gentle exercise can be encouraged to further increased body temperature.  If the patient is unable to move about due to illness or injury, external heat sources in the form of hot packs or hot water bottles should be added to the armpits and groin to prevent further cooling.

Treatment of Moderate hypothermia / HT II

Moderate Hypothermia is identified by the absence of shivering and the onset of impaired consciousness.  At this stage careful handling becomes imperative to avoid deterioration and inducing cardiac arrhythmias due to heart muscle irritability from the cold.  Active assistance by the patient should be discouraged.  As above the patient should have wet clothing replaced with dry, be carefully insulated and sheltered from the environment and have external heat sources applied to the armpits, groin, neck and trunk.  If they are still cooperative and able to swallow they can be carefully given hot sweet drinks under direct supervision. These patients all need to be evacuated to hospital as soon as possible.

Treatment of Severe Hypothermia / HT III

Patients with severe hypothermia will likely be completely unresponsive to stimuli. They usually will have signs of life (pulse and breathing) but this may be very difficult to detect because it may be at a very slow rate. Rescuers should check for at least a full minute for both pulse and breathing before determining them to be absent.  Severely hypothermic patients must be handled as gently as possible to prevent cardiac arrhythmias. As in milder forms of hypothermia the most important principle is to prevent further heat loss with proper insulation. These patients should not be given anything to eat or drink. They should have external heat sources applied to initiate rewarming in the field and help prevent further cooling.  Cardiac monitoring and higher level care by an advanced medical provider should be initiated as soon as possible and they should be evacuated to a hospital with cardiac bypass capabilities if possible.

Treatment of Apparent Death / HT IV

These patients will appear to be dead. They will not respond to stimuli and have no detectable signs of life such as heart rate or breathing. Despite their appearance of death there have been multiple reports of successful resuscitation of patients with profound hypothermia.  Despite the severity of the condition the principles of management remain the same. Very gentle handling, prevent further heat loss and apply external heat sources to initiate rewarming in the field. Advanced medical personnel should be involved in the rescue as soon as possible to provide advanced life support care.  CPR should be started once its continued maintenance can be guaranteed.  It is ineffective to do CPR during a stretcher carry and therefore should not be started if the patient will be evacuated this way.  These patients should be evacuated to a hospital with cardiac bypass capabilities.

When is it Hypothermia V or actual death?

When a patient can be declared dead in the field is a subject of great controversy in the medical field.  There have been multiple amazing recoveries of patients with severe hypothermia that no one thought possible. If there is any doubt and it is safe for the rescuers to do so the patient should be treated as HT IV and evacuated to hospital.  Ideally the decision to stop resuscitation should only be done by an experienced physician or advanced life support provider with the ability to monitor cardiac activity and measure core temperature in the field. Clearly in the wilderness environment this is not always the case. For the first responder and basic life support trained rescuer resuscitation efforts can be stopped or not initiated when it is determined that rescuer safety will be compromised by a prolonged resuscitation and rescue effort, there is obvious lethal injuries or the body is so frozen that the chest cannot be compressed during attempts at CPR.


Durrer B, Brugger H, Syme D. The medical on site treatment of hypothermia in consensus guidelines on mountain emergency medicine. Accessible on the ICAR website (

State of Alaska. Cold injuries guidelines (2005); accessible at

Auerbacher P. Field guide to Wilderness Medicine 3rd edition 2008

Ellerton J. Casualty Care in Mountain Rescue 2nd edition 2006

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