Question

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what is the general purpose for using the lateral decubitus position in chest radiography?
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multiple choice 1 point
to demonstrate fluid in the right thorax, the patient must be positioned in a:
left lateral decubitus
right lateral decubitus
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for the dorsal decubitus position projection, the patient must be placed in the ____________ position.
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Explanation:

1. The lateral decubitus position in chest radiography is used to detect air - fluid levels and free intra - pleural fluid by allowing the fluid to layer out due to gravity.
2. To demonstrate fluid in the right thorax, the left lateral decubitus position is used so that the right side is dependent and the fluid will be better visualized.
3. The dorsal decubitus position projection requires the patient to be placed in a supine position.

Answer:

1. To detect air - fluid levels and free intra - pleural fluid.
2. A. Left lateral decubitus
3. Supine