In cases of a sucking chest wound with partially obstructed airway, what is the priority?

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Securing the airway is the top priority because without a patent airway, the patient cannot oxygenate, and brain injury or death can occur within minutes even if other injuries are present. In a sucking chest wound with partial airway obstruction, first open and maintain the airway: clear the obstruction, suction as needed, and position or maneuver the head and neck (with spinal precautions if trauma is suspected) to maximize patency; provide assisted ventilation if necessary. Once the airway is secured and ventilation is assured, address the chest wound with an occlusive dressing taped on three sides to seal the opening and allow air to escape, reducing the risk of a developing tension pneumothorax. Checking circulation or waiting to transport without first stabilizing the airway would leave the patient hypoxic and at much higher risk, so airway takes priority even with a chest wound.