What condition does an ileus radiograph typically demonstrate?

An ileus radiograph typically demonstrates intestinal obstruction. An ileus refers to a lack of movement in the intestines, which can result in a blockage and cause gas and fluids to accumulate in the bowel. On imaging, this condition is characterized by dilated bowel loops and a "string of pearls" appearance due to air-fluid levels present in the distended segments.

This radiographic finding helps differentiate ileus from other conditions, such as gastric obstruction, which primarily involves the stomach and may not show the typical patterns associated with intestinal obstruction. Conditions like diverticulitis and appendicitis also have their own specific radiographic appearances and signs, which are distinct from those observed in an ileus. Understanding that an ileus specifically impacts the intestines and manifests as obstruction is key to interpreting such radiographs correctly.