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Field Guide · Backcountry Medicine

Wilderness First Response, When Help Is Hours Away

How to run an emergency from first response to handover when no ambulance is coming and evacuation can take hours or days. The whole guide is below, free. The 10-module course inside THE CAMPFIRE adds the videos and the field manuals.

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In short: Wilderness first response is medicine practiced when you are the immediate care provider and help is far away. It runs on a repeatable order of operations: secure the scene, run a systematic ABCDE assessment to catch the threats that kill in minutes, treat, and make the stay-or-go call. The whole guide is on this page, free and complete. It is not a substitute for certified WFA or WFR training. The 10-module course inside CWS adds the videos and the field-manual PDFs.

Read this first.

This guide is field practice for people who are hours from help. It is not a substitute for a certified Wilderness First Aid or Wilderness First Responder course, and it does not make you a medical provider. If you spend real time in the backcountry, take the certification. This is what we carry and what we do until somebody qualified takes over.

Wilderness First Response, in full

On a blackwater river you are the first responder. The nearest road may be a day of paddling, and a helicopter cannot land on a sandbar under a canopy. Early recognition and simple skills save lives out here. Good decisions matter more than gear. Nothing here is behind a login.

1. The kit that earns its weight

A wilderness kit goes past sticking plasters. Organise it by category in separate pouches so you can find one thing in the dark without emptying the bag on the sand.

CategoryCarry
Wound careGauze, assorted bandages, sterile dressings, antiseptic wipes, butterfly closures, medical tape, moleskin
MedicationIbuprofen and acetaminophen, antihistamine, anti diarrhoeal, plus every personal prescription in the group. An adrenaline auto injector if anyone carries one
TraumaTriangular bandages, elastic wrap, SAM splint, trauma shears, tourniquet
ToolsTweezers, thermometer, nitrile gloves, CPR barrier, irrigation syringe, a backup headlamp that lives in this bag
PaperworkSmall notebook and pencil. Vitals, symptoms, treatments and times. Whoever takes over will need it
The kit lives in the A group, on top, reachable from your seat. A first aid kit buried under five dry bags is not a first aid kit.

2. The ABCDE assessment

When chaos strikes, a plan is your best friend, and in the backcountry you do not have time for guesswork. The ABCDE assessment is a systematic way to evaluate a patient so you never miss anything critical and you handle life threats in the order they kill. Run every patient through these letters, and reassess as you go, because conditions change and interventions need checking. And remember: before any of this, scene safety comes first, every time.

A — Airway & Cervical Spine

Look for obstructions like blood, vomit, or objects and for facial trauma. Listen for gurgling, snoring, or stridor, and feel for air movement. Use a head-tilt/chin-lift for medical patients, or a jaw thrust for trauma patients with a suspected spinal injury. If trauma occurred, have a team member hold the head and neck neutral and in-line until evacuation.

B — Breathing

Look at the chest for symmetrical rise and fall and check skin color. Count the rate (normal adult is 12 to 20), check rhythm and quality, and watch for accessory muscle use. Be ready to assist breaths with a barrier device, and cover any sucking chest wound with an occlusive dressing immediately.

C — Circulation & Hemorrhage

Check a radial pulse on conscious adults, carotid if absent. Note rate (normal 60 to 100), rhythm, and quality, and check skin color, temperature, and capillary refill (under 2 seconds, less reliable in cold). Then control any major bleeding aggressively, because uncontrolled bleeding is one of the fastest killers in trauma.

D — Disability

Assess neurological status and mental state. Any change here is a red flag worth tracking closely.

E — Exposure & Environment

Expose to find hidden injuries, but protect the patient from the elements. In the wilderness, the environment can hurt your patient as fast as the injury, so cover them back up and manage temperature.

The order is not arbitrary. If a patient cannot breathe, nothing else matters, so airway is paramount. Work the letters in sequence, treat what you find before moving on, and run them again whenever something shifts.

That's one lesson from The Wilderness First Responder.

The full course covers stopping the bleed, wound care, sprains and fractures, heat and cold hazards, bites and toxins, burns and airway, medical emergencies, and evacuation.

Get the full course free in THE CAMPFIRE

3. Common injuries

Backcountry problems follow predictable patterns. These four cover most of what actually happens on a river trip.

ProblemWhat to do
Cuts and abrasionsDirect pressure until the bleeding stops. Irrigate with clean drinking water, not river water. Ointment, cover, and check it twice a day for redness, heat or streaking
Deep woundsControl the bleeding first, everything else second. Close with butterfly strips if the edges meet cleanly, bandage, and start planning the evacuation
BlistersProtect an intact blister with moleskin, cut as a ring around it. Drain a large one at the base with a sterile point and leave the skin flap on
Sprains and strainsRest, ice from the river, compression, elevation. Splint if it will not bear weight. If they cannot paddle or walk, that is an evacuation
BurnsCool with clean water for a full ten minutes, then cover loosely. Do not pop blisters and do not use ice
DehydrationVery common in blackwater humidity. Thirst, fatigue, dark urine, headache. Water plus electrolytes and shade, before it becomes heat illness

4. Heat illness

South Georgia in summer produces this more than anything else on the list. The distinction between the two matters more than any treatment detail, because one is a bad afternoon and the other is a medical emergency.

Heat exhaustionHeat stroke
SkinPale, clammy, sweating heavilyRed, hot, often dry. Sweating may have stopped
Mental stateWeak, dizzy, headache, nauseous. Still makes senseConfused, aggressive, not making sense, possibly unconscious
PulseFast and weakFast and strong
What you doShade, feet up, loosen clothing, water with electrolytes, cool wet cloths. Watch themCool aggressively right now. Douse or submerge, fan continuously, and evacuate
Confusion is the line.

A person with heat exhaustion who becomes confused or stops making sense has crossed into heat stroke. Do not wait for more signs. Start cooling and start the evacuation at the same time.

5. Hypothermia

People assume this is a winter problem. It is not. A wet paddler in 60 degree weather with a breeze on them is the classic case, and a spring swim in blackwater gets there faster than anyone expects.

  1. Catch it early. Shivering, fumbling hands, stumbling, slurred speech. The mental changes show before the person will admit to being cold.
  2. Stop the heat loss first. Wet clothes off, dry layers on, out of the wind. This matters more than any warming you can add.
  3. Insulate from the ground. A sleeping pad under them, not just a bag over them. Ground steals more heat than air does.
  4. Add heat gently. Warm sweet non alcoholic drinks if they are alert enough to hold a cup. A fire, other bodies, warm water bottles at the armpits and groin.
  5. Handle them carefully. A severely cold person can go into a dangerous heart rhythm if thrown around. Move them gently and keep them horizontal.
Do not rub hands and feet.

Rubbing the extremities pushes cold blood back to the core and can make things worse. Warm the core and let the limbs follow. If shivering has stopped but the person is still cold and confused, this is severe. Evacuate.

6. Deciding under pressure

The most common failure out here is not a missing skill. It is a good person making a fast bad decision. S.T.O.P. is the discipline that prevents it, and it takes about ninety seconds.

  1. Stop. Do not move, do not start treating. Take a breath. Almost nothing on this list gets worse in the next minute except severe bleeding, which you deal with first.
  2. Think. What is actually wrong? What are the risks to the patient, and what are the risks to everybody else if you get this wrong?
  3. Observe. Patient condition, weather, daylight left, water level, how far you are from the take out, what you actually have in the boat.
  4. Plan. Choose a course of action and a backup, say both out loud to the group, then start.

7. The evacuation call

Deciding to end the trip is the hardest call and the one people get wrong most often, almost always by waiting too long.

SituationCall
Altered mental state from any causeEvacuate now
Bleeding you cannot controlEvacuate now
Suspected heat strokeEvacuate now, cooling as you go
Severe hypothermia, shivering stoppedEvacuate now
Cannot walk or cannot paddleEvacuate
Wound showing redness, heat or red streakingEvacuate
Anything you are still arguing about after ten minutesEvacuate
Downstream is almost always the fast way out. Know your next three take outs and the road access at each before you launch, not while somebody is hurt.

8. Signalling for help

Cell coverage on these rivers is unreliable and often absent. Plan as though you have none.

MethodUse it for
Satellite messenger (inReach, Spot)Two way text, tracking and SOS. Best tool for a serious but not immediate problem, because you can describe what is happening
Personal locator beaconOne way SOS that activates search and rescue. For life threatening emergencies only
WhistleThree short blasts is distress. Repeat until answered. Carries much further than a voice and costs nothing to carry
Signal mirrorFlash toward aircraft or a distant boat. Practise aiming before you need it
Ground to airA large V means assistance needed. A large X means medical emergency. Make them big and use contrast
PhoneCarry it charged and switched off to save battery. Occasionally there is a bar on a high open bend

Leave a float plan with somebody at home every trip: your put in, your route, your take out, your vehicle, and the hour at which they should start making calls. It costs one text message and it is the difference between a search that starts tonight and one that starts in three days.

What's inside the full Wilderness First Responder course

Ten modules that take you from the responder mindset to a full incident run from first response through prolonged care and evacuation.

  • Foundations: The Rugged Responder Mindset
  • ABCDE Patient Assessment
  • Stopping the Bleed
  • Wound Care & Infection Prevention
  • Sprains & Fractures Care
  • Heat & Cold Hazards
  • Bites, Stings & Toxins
  • Burns & Airway Management
  • Medical Emergencies
  • Evacuation & Long-Term Care

Wilderness medicine questions, answered

What is the ABCDE patient assessment?

A systematic way to evaluate a patient so you handle life threats first: A for Airway and cervical spine, B for Breathing, C for Circulation and hemorrhage, D for Disability, and E for Exposure and environment. Run the letters in order and reassess after any change or intervention.

What do you do before touching a patient?

Scene safety comes first, every time. Survey the scene from a safe distance and protect yourself, your partners, and bystanders. You cannot help anyone if you become a casualty yourself.

How do you stop severe bleeding?

Lead with firm direct pressure using clean gauze for 5 to 10 minutes without peeking. For severe pulsating limb bleeding, apply a tourniquet 2 to 3 inches above the wound, high and tight, and note the time. For armpit, groin, or neck wounds, pack gauze tightly to the source and hold pressure.

Should you assume a spinal injury after a fall?

Yes. Assume a cervical spine injury after any significant trauma, especially falls over about three feet, high-speed impacts, or shallow-water dives. Apply manual in-line stabilization, holding the head and neck neutral and in-line, and minimize movement until evacuation.

When should you evacuate a patient?

Go now for any life-threatening condition, inability to walk, a deteriorating status, or diagnostic uncertainty. Stay and provide care only when the patient is stable, evacuation poses greater risk, you have adequate resources, and professional help is en route with a clear timeline.

Be ready when help is hours away.

Join THE CAMPFIRE, work through the full Wilderness First Responder course, and get the app and Field Manual when you upgrade.

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