It is also a type of rectal outlet obstruction (a functional outlet obstruction).

The anorectal angle has been shown to flatten out when in a squatting position, and is thus recommended for patients with functional outlet obstruction like anismus.

To compare pre- and post-surgical repair of rectal outlet obstruction (obstructed defecation).

A rare cause of gastric outlet obstruction is blockage with a gallstone, also termed Bouveret's syndrome.

Treatment of gastric outlet obstruction depends on the cause, but is usually either surgical or medical.

Look for a blockage in the opening between the stomach and duodenum (gastric outlet obstruction).

It reflects the presence of gas and fluid in an obstructed organ, as in gastric outlet obstruction.

It is also used in the treatment of gastric outlet obstruction.

Patients with other causes of obstructed defecation (outlet obstruction) like anismus also tend to have higher incidence of internal intussusception.

Rectal mucosal prolapse can be a cause of obstructed defecation (outlet obstruction).