Introduction Injury to the aorta as a result of trauma, most commonly deceleration Occurs commonly in three places where the aorta is fixed at the cardiac root at the attachment of the ligamentum arteriosum at the passage through the diaphragm Presentation Symptoms chest discomfort Evaluation CXR wideneded mediastinum obliteration of aortic nob deviation of trachea to right obscuration of the AP window depression of left main stem bronchus deviation of esphagus (NG tube) to right widened paratracheal stripe presence of pleural or apical cap left hemothorax fracture of 1st or 2nd rib or scapula Transesophageal echocardiography (TEE) Arteriography Gold standard CT Treatment Surgical repair