major fracture of the intrathoracic airway following closed chest trauma is a potentially lethal injury which can be repaired successfully if the diagnosis is made early , cough , dyspnea cyanosis , hemoptysis , mediastinal emphysema , or pneumothorax not responding to drainage via intercostal tube and a deterioration of the patient 's clinical condition out of proportion to the apparent closed chest injury , should alert the clinician to the possiblity of this entity .
C0817096
chest
C0032326
pneumothorax