Degree of Inspiration

To ensure proper inflation, the 6th rib should be visible anteriorly and the 10th rib posteriorly.

Upper Airway and Trachea No. 1

Upper Airway/Trachea In a normal chest x-ray the mediastinum and diaphragm are visible because of radio density differences (i.e. there is an interface). A loss of normally appearing interfaces usually results from processes in adjacent lung tissue (i.e....