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13 Cards in this Set

  • Front
  • Back
State the number of ribs seen on a good PA chest radiograph
Explain why the patient should be upright whenever possible for a chest examination.
-The diaphragm is at its lowest position
-Visualization of air/fluid levels
-Engorgement of pulmonary vessels is avoided
Describe the reason exposures are made on inspiration
Ensures max. expansion of lungs
Describe the reason chest radiographs are performed at 72” SID
Decrease magnification of the heart
Describe how rotation is determined on a PA chest radiograph.
Sternal ends of the clavicles equidistant from the vertebral column.
Describe how rotation is determined on a lateral chest radiograph
Superimposition of the ribs posterior to the vertebral column.
Explain the importance of the arms being raised above the head for a lateral position.
Arms at the patient’s sides would create an artifact.
Explain why the patient is generally positioned in a left lateral position.
it results in a less magnified heart image.
Describe the location of the mediastinum.
The area of the thorax bounded by the sternum anteriorly, the spine posteriorly, and the lungs laterally.
List the structures associated with the mediastinum.
Heart, great vessels, trachea, esophagus, thymus, lymphatics, fibrous tissue, fat.
Explain why foreign bodies are more likely to pass into the right bronchus.
The right lung is more vertical and is a larger diameter
Explain the importance of using high kilovoltage when radiographing the chest.
To penetrate and demonstrate all thoracic anatomy
Explain the importance of positioning a patient for a true PA and lateral projection of the chest.
A slight amount of rotation causes a significant distortion of the heart shadow.