NCIt definition : An ileus caused by abdominal or pelvic surgery, infections, disorders that affect
the muscles and nerves, and medications. Signs and symptoms include those of intestinal
obstruction.;
Alternative definition : NCI-GLOSS: A condition in which the muscles of the intestines do not allow food to
pass through, resulting in a blocked intestine. Paralytic ileus may be caused by surgery,
inflammation, and certain drugs.;