You are treating a patient with a gunshot wound to the chest…

You are treating a patient with a gunshot wound to the chest who presents with severe pain and difficulty breathing. The patient is AOx4, GCS 15. Their airway is patent, and breathing is rapid and labored. The patient’s pulse is rapid and thready. Rapid trauma assessment reveals a sucking chest wound to the patient’s left upper chest. What is the most appropriate intervention for the paramedic to perform on this patient?