Question

Why is it imperative to visualize the diaphragm on an acute abdominal series?

a) To assess the alignment of the vertebral column
b) To confirm the presence of abdominal organs
c) To evaluate the diaphragmatic excursion
d) To identify rib fractures

Answer 1

It is imperative to visualize the diaphragm on an acute abdominal series to identify any abnormal diaphragmatic excursions, ensure proper positioning and rule out pathological conditions such as diaphragmatic hernias or indications of a perforated viscus.

Step-by-step explanation:

The reason it is imperative to visualize the diaphragm on an acute abdominal series is to identify any potential diaphragmatic excursions that could be abnormal. Since the diaphragm is a critical muscle that separates the thoracic and abdominal cavities and is actively involved in breathing, visualizing it on the radiograph ensures that it is in the correct position and there are no signs of pathology such as a diaphragmatic hernia or free air under the diaphragm, which could indicate a perforated viscus. Observing the contour and position of the diaphragm can also help in assessing for other conditions like pleural effusion or pneumothorax.

The diaphragm's function, as it contracts and relaxes, changes the volume of the thoracic cavity to facilitate breathing. The diaphragm plays a role in other body processes such as defecation, urination, and childbirth through the Valsalva maneuver, and has openings that allow critical structures to pass between the thorax and abdomen. Visualization on an acute abdominal series ensures no disruption to these functionalities.