A 68-year-old man is brought to the emergency department following a high-speed automobile accident. He is alert and complains of chest pain and mild back pain. His blood pressure is 80/60 mm Hg. Chest x-ray shows a widened mediastinum, tracheal deviation, bronchial displacement, and loss of the aortick nob. Which of the following is the most likely diagnosis?
A. Cardiac tamponade
B. Myocardial contusion
C. Pulmonary contusion
D. Tension pneumothorax
E. Traumatic aortic rupture
A. Cardiac tamponade
B. Myocardial contusion
C. Pulmonary contusion
D. Tension pneumothorax
E. Traumatic aortic rupture