Which injury would typically be addressed during the primary survey?

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In the primary survey, you tackle life threats to airway and breathing first. A sucking chest wound is a penetrating chest injury that draws air into the chest with each inhale, which can rapidly collapse a lung and impair ventilation. The immediate intervention is to seal the wound with an occlusive dressing (often arranged to allow air to escape if needed) to prevent air from entering the pleural space during inspiration, and to monitor for signs of evolving tension pneumothorax that might require needle decompression. This direct threat to breathing is addressed right away, before moving on to less immediately life-threatening injuries. A broken tibia, and a facial laceration, while important, do not pose an immediate threat to breathing and can be addressed after life threats have been stabilized. Hemothorax is serious and related to breathing as well, but the classic urgent action in the primary survey for a chest wound is to control the airway and seal the wound to protect ventilation.