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In the warm zone, reassess tourniquets applied under fire. If the wound is amenable and evacuation times are prolonged, convert a hasty “high and tight” tourniquet to a deliberate, distal tourniquet placed 2–3 inches above the wound, or to hemostatic wound packing with a pressure dressing if bleeding can be controlled. This reduces tissue ischemia while maintaining hemostasis. Never intermittently loosen a functioning tourniquet; this risks rebleeding and death. Do not remove without alternative hemorrhage control in place. Document time of placement, conversions, and reassess distal perfusion and pain management. If conversion is unsafe (poor lighting, multiple casualties, short evacuation), maintain the original device and monitor for rebleeding. The decision is context-driven, prioritizing casualty survival and tactical constraints.

These findings indicate tension pneumothorax, a rapidly fatal condition. Needle decompression at the 4th/5th intercostal space, anterior axillary line, relieves pressure and restores venous return. Occlusive dressings may worsen the condition if venting is inadequate. Oxygen helps but does not address the cause. Upright positioning is ineffective. Early recognition and rapid intervention save lives, with reassessment for recurrence and preparation for chest tube insertion at higher care.

Ketamine provides effective analgesia and sedation without significant risk of hypotension, and it may even support cardiovascular tone. Morphine and benzodiazepines risk hypotension and respiratory depression. NSAIDs are contraindicated due to coagulopathy and delayed onset. In hemorrhagic shock, ketamine is the safest analgesic option. Administer slowly with monitoring, prevent hypothermia, and prepare for rapid evacuation. Documentation of dosing and response ensures continuity at higher care.

HLZ criteria—size, slope, surface, obstacles, and security—ensure rotary-wing evacuation is safe and effective. Poor HLZ selection risks crashes or aborted missions. HLZs do not eliminate CCPs or vehicles and are not for paperwork purposes. Including HLZ planning in the medical annex ensures synchronization of medical evacuation with tactical maneuver, supporting survivability and operational tempo.

Effective rehearsals ensure everyone understands where casualties will be staged (CCP), how they’ll be triaged and moved, which HLZs meet criteria, and exactly how to communicate when seconds matter. A PACE plan guarantees redundancy when primary comms fail. Practicing 9-Line/MIST reduces errors during stress. Administrative topics can wait; operational survival depends on synchronized medical actions. Walk-throughs (“rock drills”) with maps/graphics, casualty role-players, and timed drills reveal friction points. Adjust plans, redistribute equipment, and confirm resupply caches before execution. This preparation shrinks decision latency during crisis, improving outcomes and mission tempo.