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"Radiographic anatomy of the chest is divided into what three sections :
bony thorax, respiratory system proper, and mediastinum"
"For chest positioning, two of these landmarks are the
- vertebra prominence or (C7)
- and the jugular notch."
"passageway for food and fluids as well as air,"
Which topographic landmarks are used for chest radiography?
and the jugular notch."
What are the major structures of the respiratory system?
- and lungs.
Which structures of the chest should be visualized on PA projections?
- Apex of lungs
- 10 Ribs above the Diaphragm
- costophrenic angle
"The hilum (hilus) (G), also known as the root region, is the
central area of each lung, where the bronchi, blood vessels, lymph vessels, and nerves enter and leave the lungs."
Which structures are located in the mediastinal area?
- "(1) thymus gland,
- (2) heart and great vessels,
- (3) trachea, and
- (4) esophagus."
How do pathologic conditions like atelectasis and COPD appear radiographically?
"increased lung dimensions, barrel chest with depressed and flat- tened diaphragm obscuring costophrenic angles, and an elongated heart shadow. Lung fields appear very radiolucent, requiring a significant decrease in exposure factors from a normal chest, even with the increased chest dimensions."