For a left lateral decubitus abdominal radiograph, where is free intraperitoneal air expected to collect?

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Prepare for the General Core of Radiography – Limited Scope Test with interactive flashcards and multiple-choice queries. Each question features hints and clarifications, setting you up for success on your exam journey!

Multiple Choice

For a left lateral decubitus abdominal radiograph, where is free intraperitoneal air expected to collect?

Explanation:
In a left lateral decubitus view, free intraperitoneal air rises to the highest point in the abdomen. Since the patient is lying on the left side, the right side is elevated, so any free air will collect beneath the right hemidiaphragm. On the radiograph this appears as a lucent area under the right diaphragmatic dome, often along the liver border. This is why the location under the right hemidiaphragm is the expected site for free air in this position.

In a left lateral decubitus view, free intraperitoneal air rises to the highest point in the abdomen. Since the patient is lying on the left side, the right side is elevated, so any free air will collect beneath the right hemidiaphragm. On the radiograph this appears as a lucent area under the right diaphragmatic dome, often along the liver border. This is why the location under the right hemidiaphragm is the expected site for free air in this position.

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