For the TP-C, study two frameworks first: the phases of tactical care (care under fire, tactical field care, TACEVAC) and the MARCH priority algorithm. Treat them as decision rules that tell you which familiar paramedic intervention comes first in a given threat environment, then reinforce them with scenario drills and a scored self-check rubric before the exam.
Why MARCH replaces ABCDE for setting priorities in tactical field care
MARCH — Massive hemorrhage, Airway, Respiration, Circulation, Hypothermia or Head injury — is the tactical sequencing tool. It moves catastrophic bleeding ahead of airway because compressible hemorrhage can kill faster and is controllable within seconds.
In the civilian survey you learned first, airway sits above circulation because most field-fixable airway problems can be corrected quickly while compressible bleeding is often survivable for a while. Tactical field care reverses the emphasis. Extremity and junctional hemorrhage can be controlled in seconds with a tourniquet or wound packing, while many airway injuries cannot be definitively repaired before evacuation. Doctrine therefore asks a different first question: what can I stop, right here, that will otherwise kill this casualty fastest?
Apply MARCH as a decision rule when you read any vignette. First question: is there a compressible, visible hemorrhage? Second: is the airway patent and maintainable? Note that the final letter varies between versions of the algorithm — some curricula use Hypothermia prevention, others add Head injury or Hypovolemia — so confirm the version in the references you study. Also remember that MARCH governs tactical field care; during care under fire, only the hemorrhage step and movement to cover are typically actionable, and practicing that boundary is part of learning MARCH correctly.
Matching each intervention to its phase: care under fire versus tactical field care versus TACEVAC
Tactical doctrine separates care under fire, tactical field care, and TACEVAC. The same casualty can justify different actions in each phase, because threat level, available equipment, and evacuation timelines all change.
Care under fire describes care delivered while a hostile threat is still active; the priorities are supporting the team's response, moving the casualty to cover, and rapidly controlling massive limb bleeding, often with a tourniquet placed quickly. Tactical field care begins once the immediate threat is reduced or absent, allowing a full MARCH assessment and stabilization. TACEVAC covers care once the casualty is en route to definitive treatment, where packaging, monitoring, documentation, and handoff dominate. Studying the phases as distinct environments, with their own priorities and constraints, prevents you from blending them into one undifferentiated 'tactical care' blur.
When you drill vignettes, look for the phrases that signal the phase: 'rounds still impacting' points to care under fire; 'behind cover at the casualty collection point' points to tactical field care; 'helicopter inbound' or 'en route' points to TACEVAC. Two classic confusions worth training against are performing a full MARCH assessment while a threat is still active, and staying in hurried care-under-fire mode during tactical field care and skipping systematic reassessment. Naming the phase out loud before choosing an action is the single most transferable habit this material teaches.
| Phase | Threat status | Priorities | Typical constraints |
|---|---|---|---|
| Care Under Fire | Hostile threat still active | Support the team, move casualty to cover, rapid tourniquet for massive limb bleeding | Time and movement severely limited |
| Tactical Field Care | Immediate threat reduced or absent | MARCH assessment, tourniquet reassessment, airway and chest management, hypothermia prevention | Limited equipment; evacuation may be delayed |
| TACEVAC | Casualty en route to care | Packaging, monitoring, documentation, structured handoff | Care delivered in a moving vehicle with limited space |
Worked scenario: a tourniquet already in place and evacuation measured in hours
When extraction is delayed, a functioning tourniquet is usually left in place and managed, not converted on impulse. The scenario below shows why conversion timing is a judgment call rather than a reflex.
Scenario: during tactical field care you reach a casualty whose partner applied a tourniquet high on the thigh for a gunshot wound. Bleeding is controlled, the distal limb is pulseless, and word comes that extraction will take hours. Your impulse is to convert the tourniquet to a dressing immediately, reasoning that the limb needs perfusion. Conversion is a deliberate procedure performed with the capability to manage rebleeding; common tactical doctrine treats a functioning tourniquet as the safer default while evacuation capacity is unknown. Reassess placement and security, document the time, and continue down MARCH.
A second layer matters here. Some tactical protocols describe a planned tourniquet reassessment or conversion window when a casualty will reach definitive care quickly, and a very different posture when they will not. As you study, write down what your references say about reassessment intervals and conversion criteria, then flag every vignette where the extraction timeline is stated explicitly — that detail is exactly what the sequencing judgment in this framework turns on, so train yourself to notice it before choosing between 'leave and monitor' and 'prepare a controlled conversion.' Always subordinate doctrine to your local protocol and current guidance when you practice in the real world.
- Plausible mistake: loosening or converting the tourniquet on impulse while rebleeding capability is uncertain and no evacuation is inbound.
- Better decision: reassess placement and security, note and carry forward the application time, keep the wound and limb visible, and continue the remaining MARCH steps, especially hypothermia prevention.
- Why it matters: an uncontrolled rebleed during a delayed extraction is far harder to manage than monitored limb ischemia over the same hours; the judgment being trained is sequencing under an uncertain timeline, not speed.
Worked scenario: penetrating chest trauma with a worsening breathing problem
A casualty with a penetrating chest wound and deteriorating breathing tests both phase discipline and current airway-and-chest doctrine, because the correct sequence depends on threat status and reassessment, not a memorized reflex.
Scenario: in tactical field care, a casualty sits against cover with a sealed penetrating chest wound and increasingly labored breathing, with oxygen saturation trending downward. The reflex error is to decompress the chest instantly without reassessment, or to attempt any such intervention while still exposed during care under fire. The better decision sequence is to confirm threat status, position the casualty sensibly, recheck the wound seal, reassess physiology, and intervene when the indications described in your current tactical references are met, then reassess the casualty afterward and document what changed.
This scenario also rewards studying doctrine as a living document. Needle decompression guidance — including preferred anatomic landmarks — has shifted across editions of tactical care curricula, so a single landmark memorized years ago may conflict with the references your study materials use. Build the habit of checking the version date of whatever algorithm you review, and of asking in every chest-trauma vignette whether the casualty has actually been moved to cover first. Phase timing and reassessment habits, more than any one landmark, are what tie this topic back to the frameworks the credential is built on.
- Plausible mistake: decompressing immediately on recognition of the wound, without reassessing the seal, the casualty's position, or the threat status.
- Better decision: confirm cover, recheck the wound management already done, reassess respiratory status, and follow your current reference's criteria and landmarks before and after any intervention.
- Why it matters: the reassessment loop and phase-appropriate sequencing are the skills this framework trains, and landmark guidance differs between doctrine versions, so an unexamined memory can quietly mislead you.
Preventing the lethal triad when the wait for transport is long
Hypothermia, acidosis, and impaired clotting reinforce one another as the lethal triad. In delayed-extraction operations, hypothermia prevention begins during tactical field care, even in mild weather and before large blood loss is obvious.
A casualty who has bled significantly loses the ability to stay warm, and cold muscle and blood make clotting and correction of acidosis harder, which in turn worsens bleeding — that circular relationship is the triad itself. Tactical vignettes embed the risk cues you should learn to spot on sight: a night operation, rain or immersion, a wet uniform, an immobile casualty lying on cold ground, a long wait at a casualty collection point. When two or more of those cues appear in one scenario, hypothermia prevention is no longer the last letter of an acronym; it is an active treatment priority.
Study the countermeasures by name so you can recognize them and explain their purpose: insulation between the casualty and the ground, layered and windproof coverings, vapor barriers, chemical heat sources applied to the torso and nearby core areas, and shelter from wind and precipitation — always within whatever your protocols authorize. Then connect the triad back to the earlier sections: every minute spent managing hemorrhage effectively is also triad prevention, because the triad is driven by blood loss and exposure together. A good drill is to take any trauma vignette you have written and list the three triad risk factors present in it.
Documentation, command relationships, and the scope line a tactical medic must know
The professional domain asks how tactical practice fits inside a team: command relationships, documentation of care delivered under constraint, and the boundary between doctrine you understand and interventions your license and protocol actually authorize.
Documentation in a tactical setting is fragmented by design: care is delivered in phases, sometimes by several providers, under conditions where times and findings are easy to lose. The items worth drilling are the ones that carry the handoff — tourniquet application and any reassessment times, interventions with their times, mechanism and scene context, and a structured report to the receiving provider. Practice writing a two-minute handoff for a staged casualty after a fictional delayed extraction; the gaps you notice are exactly the habits the professional-standards material is trying to build.
Ethics and scope are best studied through the command relationship. A tactical medic's judgment operates inside the mission: the tactical commander controls movement, timing, and exposure, and the medic advises rather than directs. That structure means some doctrinally sound interventions may still exceed your authorized scope locally, and recognizing that difference — knowing doctrine versus being authorized to perform it — is itself part of the material. Build practice items that make you name the commander's authority, the medic's advisory role, and any intervention your local protocol would not permit, because that is the distinction this domain exists to test in your own understanding.
A six-week study sequence and a rubric you can score at home
Build the sequence around frameworks first, systems second, vignettes third. Close with a scored self-test using the rubric below, and treat those scores as study milestones rather than as a prediction of your exam result.
Exercise: write ten short vignettes of your own, each set in a named phase, each with one clear top priority. For every vignette, record three things in under 90 seconds: the phase of care, the top MARCH priority, and the first two interventions you would take. Rubric: nine or more phases correct and eight or more priorities correct is a strong study milestone; below that, return to the Week 1–2 material before drilling further. Expect deliberate cue phrases — 'rounds still impacting,' 'casualty collection point,' 'aircraft inbound' — and practice naming exactly which phrase set the phase for each item.
Before you consider yourself ready, run four concrete checks: you can distinguish MARCH from the civilian survey in two sentences without notes; you can list three phase-cue phrases and the actions each one unlocks; you can name the documentation items for a tourniquet without prompting; and you have hit your rubric milestone on two separate attempts. For the current candidate handbook, eligibility requirements, fees, and exam-format details, rely on the IBSC directly rather than on secondhand summaries, since administrative specifics belong to the issuer and change over time.
- Week 1: Draw the three phases of care and MARCH from memory on one page; explain each in two sentences.
- Week 2: Hemorrhage control doctrine — tourniquet placement, reassessment, documentation, and junctional wound packing concepts.
- Week 3: Airway and respiration in tactical field care, including chest wound management and decompression guidance in your current references.
- Week 4: Hypothermia prevention, delayed extraction, and named casualty movement techniques such as drags and carries.
- Week 5: Documentation, command structure, ethics, and scope; write and solve 20 mixed-phase vignettes.
- Week 6: Timed self-test with the rubric; review every miss by phase and by MARCH step.
References and further reading
Use these references to explore the concepts and check the latest information from the relevant organizations.