Medical Preparedness: Building and Deploying a Tactical Trauma Kit

**Semantic Tags:** Trauma Kit, IFAK, TCCC, Tactical Medicine, Tourniquet, QuikClot, Chest Seal, MARCH Algorithm, First Aid

TL;DR Direct Answer

Ditch the standard first aid kit for an IFAK based on the MARCH algorithm. Prioritize massive hemorrhage control with CoTCCC-approved tourniquets (CAT/SOFTT-W) and hemostatic wound packing (QuikClot). Carry vented chest seals for torso wounds. Get certified in 'Stop The Bleed' or TECC.

1. Introduction: The Tactical Medical Imperative

In a grid-down, catastrophic, or active-threat scenario, Emergency Medical Services (EMS) will be delayed, overwhelmed, or non-existent. The "Golden Hour"—the critical 60-minute window following severe trauma where rapid medical intervention drastically increases survival rates—now falls entirely upon you. A standard First Aid Kit (band-aids, ibuprofen, antiseptic wipes) is utterly useless against penetrating trauma, massive hemorrhage, or tension pneumothorax. This guide establishes the doctrine for building, staging, and deploying a comprehensive Trauma Kit based on Tactical Combat Casualty Care (TCCC) and Tactical Emergency Casualty Care (TECC) guidelines.

1.1 The MARCH PAWS Algorithm

Preppers must shift from civilian first-aid mindsets to tactical trauma algorithms. The industry standard is MARCH PAWS, which dictates the strict order of treatment based on the most immediate threats to life.

* **M - Massive Hemorrhage:** Exsanguination from extremity wounds is the leading cause of preventable death in trauma. Stop the bleed immediately using tourniquets and hemostatic dressings.

* **A - Airway:** Ensure a patent airway. Assess for obstructions, maxillofacial trauma, or the tongue blocking the airway in unconscious patients.

* **R - Respiration:** Assess and treat chest injuries. Seal open pneumothorax (sucking chest wounds) with chest seals. Decompress tension pneumothorax (requires advanced training).

* **C - Circulation:** Assess for shock. Check radial pulses. Administer intravenous (IV) or intraosseous (IO) fluids if trained and equipped. Prevent further blood loss.

* **H - Hypothermia/Head Trauma:** Keep the patient warm. Hypothermia disrupts the blood's ability to clot, creating a lethal triad (hypothermia, acidosis, coagulopathy). Elevate the head if traumatic brain injury is suspected.

* **P - Pain:** Manage pain using analgesics (if trained).

* **A - Antibiotics:** Administer broad-spectrum antibiotics for penetrating trauma to prevent sepsis (if trained and available).

* **W - Wounds:** Dress secondary wounds, burns, and fractures.

* **S - Splinting:** Immobilize fractures to prevent further tissue damage and manage pain.

2. Tiered Trauma Kit Architecture

Medical gear must be scaled based on the mission profile, mobility constraints, and the user's level of training. We categorize trauma kits into three distinct tiers.

2.1 Tier 1: Individual First Aid Kit (IFAK)

The IFAK is the baseline trauma kit. It is designed to be carried on your person (belt, chest rig, or plate carrier) at all times. **Critical Rule:** Your IFAK is for treating *you*. If you are rendering aid to someone else, use *their* IFAK first, saving yours for yourself.

**Standard IFAK Loadout:**

* **Tourniquet (x2):** ONLY use CoTCCC-recommended tourniquets. The North American Rescue Combat Application Tourniquet (CAT) Gen 7 or the SOF Tactical Tourniquet (SOFTT-W) are the gold standards. Fake, Amazon-bought tourniquets will snap under pressure and cost lives. Stage them correctly (out of the wrapper, threaded, ready for one-handed application).

* **Hemostatic Dressing (x1-2):** QuikClot Combat Gauze or Celox Rapid. These dressings are impregnated with agents that accelerate the blood clotting cascade. Used for wound packing in junctional areas (groin, armpits, neck) where tourniquets cannot be applied.

* **Pressure Dressing (x1):** The Israeli Bandage (Emergency Trauma Dressing - ETD) or OLAES Modular Bandage. Used to apply direct, focused pressure over a packed wound to stop bleeding.

* **Vented Chest Seals (x1 Twin Pack):** HyFin Vent or HALO seals. You need two (one for the entry wound, one for the exit wound) to treat penetrating trauma to the thoracic cavity and prevent tension pneumothorax.

* **Nasopharyngeal Airway (NPA) with Lube (x1):** A 28F NPA is standard. Used to secure an airway in an unconscious or semi-conscious patient with an intact gag reflex.

* **Trauma Shears (x1):** High-quality shears (e.g., Leatherman Raptor or standard NAR shears) to rapidly expose the wound by cutting through clothing, denim, and webbing.

* **Nitrile Gloves (x2 Pairs):** High-visibility blue or purple, heavy-duty nitrile. Protects the provider from bloodborne pathogens.

* **Casualty Card and Sharpie:** Used to document treatments applied, times of tourniquet application, and patient vitals for handoff to higher echelon care.

2.2 Tier 2: Vehicle / Family Medic Kit

The Tier 2 kit is a larger bag (e.g., a slim backpack or large rip-away pouch) stored in a vehicle, bug-out bag, or safe room. It contains multiple redundancies of IFAK items to treat multiple casualties, plus gear for secondary treatments.

**Tier 2 Additions:**

* **Massive Hemorrhage:** 4-6x CAT Tourniquets, 4x Hemostatic Gauze, 6x Compressed Z-Folded Gauze (for wound packing without hemostatics), 4x Israeli Bandages of varying sizes.

* **Airway/Respiration:** Multiple NPAs, Oropharyngeal Airways (OPAs), Bag Valve Mask (BVM) for manual ventilation, 4x Vented Chest Seals.

* **Splinting/Orthopedics:** SAM Splints (36-inch, malleable aluminum splints), ACE wraps, cohesive bandages (Coban), triangular bandages for slings.

* **Hypothermia Prevention:** Mylar emergency blankets, or preferably, a specialized Hypothermia Prevention and Management Kit (HPMK).

* **Burn Treatment:** Water-Jel burn dressings or dry sterile burn sheets.

* **Minor Wound Care:** A comprehensive selection of adhesive bandages, steri-strips (butterfly closures), tincture of benzoin, chlorhexidine or povidone-iodine for disinfection, medical tape (cloth and transpore).

* **Medications (OTC):** Ibuprofen (NSAID), Acetaminophen (Pain/Fever), Diphenhydramine (Antihistamine/Allergies), Loperamide (Anti-diarrheal), Aspirin (for suspected myocardial infarction).

2.3 Tier 3: Team Medic / Basecamp Hospital

The Tier 3 kit is a large, static, or heavy vehicle-borne setup designed to sustain patients for extended periods when MEDEVAC is impossible. This tier requires specialized medical training (Paramedic, 18D, or Advanced Medical Provider).

**Tier 3 Additions:**

* **Advanced Airway:** Endotracheal intubation kits, i-gel supraglottic airways, surgical cricothyroidotomy kits.

* **Fluid Resuscitation:** IV administration sets, Normal Saline, Lactated Ringers, TXA (Tranexamic Acid - prevents clot breakdown), FAST1 or EZ-IO intraosseous access systems.

* **Surgical/Diagnostic:** Suture kits, staplers, surgical instruments (hemostats, scalpels, forceps), stethoscope, blood pressure cuff (sphygmomanometer), pulse oximeter.

* **Prescription Medications:** Broad-spectrum antibiotics (Amoxicillin, Ciprofloxacin, Doxycycline), prescription pain management (Ketamine, Fentanyl lozenges), epinephrine auto-injectors.

3. Core Procedures and Protocols

Owning the gear is useless without the procedural muscle memory to employ it under immense psychological stress.

3.1 Tourniquet Application Protocol

1. **Assess:** Identify massive arterial bleeding (bright red, spurting) or dark venous bleeding that pools rapidly.

2. **Apply:** Place the tourniquet "High and Tight" (as high up on the limb as possible, over the clothing) if in a tactical "Care Under Fire" situation. If the wound is clearly visible, place the tourniquet 2-3 inches above the wound (never over a joint).

3. **Tighten:** Pull the routing strap as tight as physically possible before turning the windlass. This is the most common failure point.

4. **Twist:** Twist the windlass rod until the bleeding stops entirely and the distal pulse is absent. It will be excruciatingly painful for the patient.

5. **Secure:** Lock the windlass into the clip, secure the strap over it, and record the time of application on the time strap.

3.2 Wound Packing Protocol

Used for junctional wounds (groin, axilla, neck) where a tourniquet cannot be applied.

1. **Expose:** Cut away clothing. Wipe away pooled blood to identify the specific source of bleeding (the damaged artery/vein).

2. **Pack:** Take your hemostatic or standard combat gauze and tightly pack it directly into the cavity, maintaining constant pressure on the bleeding vessel with your finger as you feed the gauze in.

3. **Fill:** Pack the wound completely until gauze begins to overflow the cavity.

4. **Press:** Apply direct, heavy body weight pressure over the packed wound for a minimum of 3 minutes (for hemostatic gauze) or 10 minutes (for plain gauze).

5. **Wrap:** Secure the packing with an Israeli Bandage or pressure wrap to maintain continuous pressure.

3.3 Chest Seal Application Protocol

Used for penetrating trauma to the torso (neck to navel).

1. **Identify:** Look for a sucking chest wound (bubbling blood, hissing sound) or any hole in the "box" (torso).

2. **Wipe:** Quickly wipe blood and sweat away from the wound area with gauze or clothing to ensure the seal's adhesive will stick.

3. **Apply:** Center the vented chest seal over the hole. Smooth it down firmly, ensuring a tight seal around the edges.

4. **Assess for Exit Wounds:** Roll the patient and check their back and armpits for exit wounds. Apply a second chest seal if found.

5. **Monitor:** Watch the patient for signs of tension pneumothorax (worsening respiratory distress, tracheal deviation, absent breath sounds on one side).

4. Training and Certification

You cannot rise to the occasion; you default to your level of training. Purchasing medical gear without training is an exercise in lethal negligence.

* **Stop The Bleed (STB):** A free or low-cost civilian course that teaches basic tourniquet application and wound packing. This is the absolute minimum standard.

* **Tactical Emergency Casualty Care (TECC) / Tactical Combat Casualty Care (TCCC):** Advanced 2-3 day courses that cover the full MARCH algorithm under stress and simulated tactical scenarios. Highly recommended for all preppers.

* **Wilderness First Responder (WFR):** Focuses on long-term patient care and improvisational medicine in austere environments where EMS is days away.

5. Medical Supply Rotation and Storage

Medical gear degrades over time. Adhesives fail, sterility is compromised, and medications expire.

* **Tourniquets:** Store away from UV light, which degrades the nylon webbing. Replace tourniquets that have been used in training; designate training TQs with blue tape or paint.

* **Chest Seals:** The hydrogel adhesive breaks down in extreme heat (e.g., left in a hot car trunk for years). Rotate every 2-3 years.

* **Hemostatics:** Check expiration dates. While they may still work past expiration, effectiveness decreases.

* **Medications:** Liquid medications degrade faster than pills. Store all medications in a cool, dry, dark environment to maximize shelf life.

6. The Psychological Burden of Trauma Care

Administering trauma care in a grid-down environment is horrific. It involves vast amounts of blood, screaming, and the realization that despite your best efforts, the patient may die due to the lack of surgical intervention. Mental conditioning, visualization, and realistic stress-inoculation training are vital to prevent freezing under pressure. You must accept that your trauma kit is a tool to buy time—time that, in a collapse scenario, may eventually run out. Your job is to fight for that time regardless.

8. Exhaustive Glossary of Water Purification Terminology

* **Turbidity:** The cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye, similar to smoke in air.

* **Pathogen:** A bacterium, virus, or other microorganism that can cause disease.

* **Protozoa:** Single-celled microscopic animals, which include flagellates, ciliates, sporozoans, and amoebas. In water, Giardia and Cryptosporidium are the primary concerns.

* **Cryptosporidium:** A microscopic parasite that causes the diarrheal disease cryptosporidiosis. Highly resistant to chlorine-based disinfectants.

* **Giardia:** A microscopic parasite that causes the diarrheal illness known as giardiasis. It is found on surfaces or in soil, food, or water that has been contaminated with feces from infected humans or animals.

* **Flocculation:** A process wherein colloids come out of suspension in the form of floc or flake, either spontaneously or due to the addition of a clarifying agent.

* **Micron:** A unit of length equal to one millionth of a meter, used in many technological and scientific fields.

9. Historical Case Studies in Grid-Down Hydration Failures

* **Hurricane Katrina (2005):** The failure of the municipal water system in New Orleans left hundreds of thousands without potable water. The floodwaters were highly toxic, mixed with raw sewage, industrial chemicals, and decomposing bodies. Survivors who drank untreated floodwater suffered severe gastrointestinal illnesses.

* **Flint Water Crisis (2014):** A failure in municipal water management led to widespread lead contamination. This underscores the necessity of having independent water testing and heavy metal filtration capabilities (like activated carbon and reverse osmosis) even during "normal" grid-up situations.

* **Texas Winter Storm Uri (2021):** Freezing temperatures caused massive power outages, which cascaded into the failure of water treatment plants. Millions were placed under boil-water notices, but lacked the electricity or gas to boil the water. Those with stored water and chemical purification means maintained operational normalcy.

10. Maintenance and Troubleshooting of Filtration Gear

Maintaining your water filtration equipment is as critical as owning it. A clogged or frozen filter is worse than useless; it provides a false sense of security.

* **Backflushing:** Most hollow fiber filters require regular backflushing with clean water to remove accumulated particulate matter. Follow the manufacturer's instructions meticulously. Failure to backflush will reduce flow rates to a trickle.

* **Winterization:** Never allow a hollow fiber or ceramic filter to freeze after it has been used. The microscopic water droplets trapped inside the filter element will expand upon freezing, cracking the filter and destroying its ability to block pathogens. Once a filter has frozen, it must be discarded and replaced. Keep the filter close to your body (e.g., in an inside jacket pocket) during freezing conditions.

* **Carbon Filter Lifespan:** Activated carbon filters have a finite lifespan. Once the carbon binding sites are full, the filter will no longer remove chemicals or improve taste. Track your usage and replace carbon elements regularly.

11. Water Procurement in Arid and Desert Environments

Surviving in a desert requires specialized knowledge. Water is scarce, and the margin for error is zero.

* **Following Animal Trails:** Birds, insects (especially bees), and mammals need water. Converging animal trails often lead to water sources. Grain-eating birds fly directly to water in the morning and evening.

* **Dry Riverbeds (Wadis):** Digging at the lowest point of the outside bend of a dry riverbed can often yield water, as water continues to flow below the surface long after the surface has dried.

* **Indicator Plants:** Certain plants, such as cottonwoods, willows, and cattails, only grow where water is near the surface. Digging near the base of these plants may reveal water.

* **Cacti:** Extracting water from cacti is a Hollywood myth that can be deadly. Most cactus fluid is highly alkaline and toxic, causing vomiting and accelerated dehydration. Only the Fishhook Barrel Cactus contains safely drinkable fluid, and extracting it is energy-intensive.

12. Strategic Water Caching

For long-distance bug-out routes, carrying sufficient water is impossible. Water weighs 8.34 pounds per gallon. Strategic caching is required.

* **Location Selection:** Caches should be buried along your intended route, hidden from public view, and easily identifiable by you.

* **Container Choice:** Use heavy-duty, freeze-resistant containers. Glass will shatter; cheap plastic will degrade.

* **Treatment:** Always treat water with chlorine dioxide before caching to prevent biological growth over months or years of storage.

* **Redundancy:** Never rely on a single cache. Caches can be discovered, destroyed, or become inaccessible. Maintain multiple caches with overlapping coverage.

8. Exhaustive Glossary of Water Purification Terminology

* **Turbidity:** The cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye, similar to smoke in air.

* **Pathogen:** A bacterium, virus, or other microorganism that can cause disease.

* **Protozoa:** Single-celled microscopic animals, which include flagellates, ciliates, sporozoans, and amoebas. In water, Giardia and Cryptosporidium are the primary concerns.

* **Cryptosporidium:** A microscopic parasite that causes the diarrheal disease cryptosporidiosis. Highly resistant to chlorine-based disinfectants.

* **Giardia:** A microscopic parasite that causes the diarrheal illness known as giardiasis. It is found on surfaces or in soil, food, or water that has been contaminated with feces from infected humans or animals.

* **Flocculation:** A process wherein colloids come out of suspension in the form of floc or flake, either spontaneously or due to the addition of a clarifying agent.

* **Micron:** A unit of length equal to one millionth of a meter, used in many technological and scientific fields.

9. Historical Case Studies in Grid-Down Hydration Failures

* **Hurricane Katrina (2005):** The failure of the municipal water system in New Orleans left hundreds of thousands without potable water. The floodwaters were highly toxic, mixed with raw sewage, industrial chemicals, and decomposing bodies. Survivors who drank untreated floodwater suffered severe gastrointestinal illnesses.

* **Flint Water Crisis (2014):** A failure in municipal water management led to widespread lead contamination. This underscores the necessity of having independent water testing and heavy metal filtration capabilities (like activated carbon and reverse osmosis) even during "normal" grid-up situations.

* **Texas Winter Storm Uri (2021):** Freezing temperatures caused massive power outages, which cascaded into the failure of water treatment plants. Millions were placed under boil-water notices, but lacked the electricity or gas to boil the water. Those with stored water and chemical purification means maintained operational normalcy.

10. Maintenance and Troubleshooting of Filtration Gear

Maintaining your water filtration equipment is as critical as owning it. A clogged or frozen filter is worse than useless; it provides a false sense of security.

* **Backflushing:** Most hollow fiber filters require regular backflushing with clean water to remove accumulated particulate matter. Follow the manufacturer's instructions meticulously. Failure to backflush will reduce flow rates to a trickle.

* **Winterization:** Never allow a hollow fiber or ceramic filter to freeze after it has been used. The microscopic water droplets trapped inside the filter element will expand upon freezing, cracking the filter and destroying its ability to block pathogens. Once a filter has frozen, it must be discarded and replaced. Keep the filter close to your body (e.g., in an inside jacket pocket) during freezing conditions.

* **Carbon Filter Lifespan:** Activated carbon filters have a finite lifespan. Once the carbon binding sites are full, the filter will no longer remove chemicals or improve taste. Track your usage and replace carbon elements regularly.

11. Water Procurement in Arid and Desert Environments

Surviving in a desert requires specialized knowledge. Water is scarce, and the margin for error is zero.

* **Following Animal Trails:** Birds, insects (especially bees), and mammals need water. Converging animal trails often lead to water sources. Grain-eating birds fly directly to water in the morning and evening.

* **Dry Riverbeds (Wadis):** Digging at the lowest point of the outside bend of a dry riverbed can often yield water, as water continues to flow below the surface long after the surface has dried.

* **Indicator Plants:** Certain plants, such as cottonwoods, willows, and cattails, only grow where water is near the surface. Digging near the base of these plants may reveal water.

* **Cacti:** Extracting water from cacti is a Hollywood myth that can be deadly. Most cactus fluid is highly alkaline and toxic, causing vomiting and accelerated dehydration. Only the Fishhook Barrel Cactus contains safely drinkable fluid, and extracting it is energy-intensive.

12. Strategic Water Caching

For long-distance bug-out routes, carrying sufficient water is impossible. Water weighs 8.34 pounds per gallon. Strategic caching is required.

* **Location Selection:** Caches should be buried along your intended route, hidden from public view, and easily identifiable by you.

* **Container Choice:** Use heavy-duty, freeze-resistant containers. Glass will shatter; cheap plastic will degrade.

* **Treatment:** Always treat water with chlorine dioxide before caching to prevent biological growth over months or years of storage.

* **Redundancy:** Never rely on a single cache. Caches can be discovered, destroyed, or become inaccessible. Maintain multiple caches with overlapping coverage.

8. Exhaustive Glossary of Water Purification Terminology

* **Turbidity:** The cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye, similar to smoke in air.

* **Pathogen:** A bacterium, virus, or other microorganism that can cause disease.

* **Protozoa:** Single-celled microscopic animals, which include flagellates, ciliates, sporozoans, and amoebas. In water, Giardia and Cryptosporidium are the primary concerns.

* **Cryptosporidium:** A microscopic parasite that causes the diarrheal disease cryptosporidiosis. Highly resistant to chlorine-based disinfectants.

* **Giardia:** A microscopic parasite that causes the diarrheal illness known as giardiasis. It is found on surfaces or in soil, food, or water that has been contaminated with feces from infected humans or animals.

* **Flocculation:** A process wherein colloids come out of suspension in the form of floc or flake, either spontaneously or due to the addition of a clarifying agent.

* **Micron:** A unit of length equal to one millionth of a meter, used in many technological and scientific fields.

9. Historical Case Studies in Grid-Down Hydration Failures

* **Hurricane Katrina (2005):** The failure of the municipal water system in New Orleans left hundreds of thousands without potable water. The floodwaters were highly toxic, mixed with raw sewage, industrial chemicals, and decomposing bodies. Survivors who drank untreated floodwater suffered severe gastrointestinal illnesses.

* **Flint Water Crisis (2014):** A failure in municipal water management led to widespread lead contamination. This underscores the necessity of having independent water testing and heavy metal filtration capabilities (like activated carbon and reverse osmosis) even during "normal" grid-up situations.

* **Texas Winter Storm Uri (2021):** Freezing temperatures caused massive power outages, which cascaded into the failure of water treatment plants. Millions were placed under boil-water notices, but lacked the electricity or gas to boil the water. Those with stored water and chemical purification means maintained operational normalcy.

10. Maintenance and Troubleshooting of Filtration Gear

Maintaining your water filtration equipment is as critical as owning it. A clogged or frozen filter is worse than useless; it provides a false sense of security.

* **Backflushing:** Most hollow fiber filters require regular backflushing with clean water to remove accumulated particulate matter. Follow the manufacturer's instructions meticulously. Failure to backflush will reduce flow rates to a trickle.

* **Winterization:** Never allow a hollow fiber or ceramic filter to freeze after it has been used. The microscopic water droplets trapped inside the filter element will expand upon freezing, cracking the filter and destroying its ability to block pathogens. Once a filter has frozen, it must be discarded and replaced. Keep the filter close to your body (e.g., in an inside jacket pocket) during freezing conditions.

* **Carbon Filter Lifespan:** Activated carbon filters have a finite lifespan. Once the carbon binding sites are full, the filter will no longer remove chemicals or improve taste. Track your usage and replace carbon elements regularly.

11. Water Procurement in Arid and Desert Environments

Surviving in a desert requires specialized knowledge. Water is scarce, and the margin for error is zero.

* **Following Animal Trails:** Birds, insects (especially bees), and mammals need water. Converging animal trails often lead to water sources. Grain-eating birds fly directly to water in the morning and evening.

* **Dry Riverbeds (Wadis):** Digging at the lowest point of the outside bend of a dry riverbed can often yield water, as water continues to flow below the surface long after the surface has dried.

* **Indicator Plants:** Certain plants, such as cottonwoods, willows, and cattails, only grow where water is near the surface. Digging near the base of these plants may reveal water.

* **Cacti:** Extracting water from cacti is a Hollywood myth that can be deadly. Most cactus fluid is highly alkaline and toxic, causing vomiting and accelerated dehydration. Only the Fishhook Barrel Cactus contains safely drinkable fluid, and extracting it is energy-intensive.

12. Strategic Water Caching

For long-distance bug-out routes, carrying sufficient water is impossible. Water weighs 8.34 pounds per gallon. Strategic caching is required.

* **Location Selection:** Caches should be buried along your intended route, hidden from public view, and easily identifiable by you.

* **Container Choice:** Use heavy-duty, freeze-resistant containers. Glass will shatter; cheap plastic will degrade.

* **Treatment:** Always treat water with chlorine dioxide before caching to prevent biological growth over months or years of storage.

* **Redundancy:** Never rely on a single cache. Caches can be discovered, destroyed, or become inaccessible. Maintain multiple caches with overlapping coverage.

Frequently Asked Questions (FAQ)

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Can I use a belt or shoelace as an improvised tourniquet?

Absolutely not. Improvised tourniquets have an incredibly high failure rate. They are rarely wide enough (causing tissue damage) or strong enough to occlude arterial flow, often just creating a venous tourniquet that actually increases bleeding. Carry a real CAT or SOFTT-W.

How long can a tourniquet stay on before amputation is required?

Modern data from the GWOT (Global War on Terror) shows that tourniquets can remain in place for 2 to 4 hours with minimal risk of permanent nerve damage or amputation. The priority is stopping the bleed; worry about the limb later. Life over limb.

Do I need a chest dart (needle decompression) in my IFAK?

Only if you are medically trained (Paramedic, 18D, Combat Medic) to use it. Improperly inserting a 14-gauge needle into a casualty's chest can cause a fatal tension pneumothorax or puncture the heart. Stick to chest seals unless certified.

Where should I pack my IFAK?

Your primary IFAK should be mounted on your person (belt, plate carrier, chest rig) where it can be reached with BOTH hands (e.g., center mass or the small of the back). Secondary kits go in vehicles and bug-out bags.