Penetration
To ensure adequate penetration, the thoracic spine should be visible.
Patient ID
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Degree of Inspiration
To ensure proper inflation, the 6th rib should be visible anteriorly and the 10th rib posteriorly.
Upper Airway and Trachea No. 3
Upper Airway and Trachea No. 2
Upper Airway/Trachea – Lung Anatomy
Anterior (left) and posterior (right) view of the lungs.
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. consolidation, atelectasis, mass, etc.) The interface loss helps you localize the disease to a specific part of the lung.
Right Upper Lobe – Evaluate
The pathological process can be localized in the right upper lobe when the interface of the SVC and the right superior mediastinum is lost (“Silhouette” sign).
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Right Upper Lobe – Anatomy
Right Middle Lobe – Evaluate
The pathological process can be localized in the right middle lobe, when the right heart border interface is lost (“Silhouette” sign).
Right Middle Lobe – Anatomy
