Hemothorax is collection of blood in the space between the chest wall and the lung (the pleural cavity) and pneumothorax occurs when air leaks into the space between lung and chest wall. When a patient admitted in hospital due to this purpose, in an emergency in the ICU, the first step is to go to the bed side and examine the patient. There are some physical findings that should help to doctor to determine the cause of hypotension and distinguish between hemothorax and pneumothorax. The first finding is tracheal deviation to the right, away from the side where the procedure was performed.