Ileus is the partial or complete blockage of the small and/or large intestine that is induced by the stopping of normal intestinal peristalsis.
Ileus is a momentary and usually painful absence of movement in the intestines. It is a severe condition because, if left untreated, it can snip off the blood supply to the intestines and induce tissue death. This can result in an intestinal incision or infection of the abdominal cavity that can be life-threatening. Ileus arises when the intestines do not move food through in an expected way. It usually occurs after abdominal surgery. Normally, muscles in the intestines contract and relax to cause a wave-like movement called peristalsis.
When an ileus occurs, it ceases peristalsis and prevents food particles, gas, and liquids from passing through the digestive tract.
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