Choking is the mechanical obstruction of the flow of air from the environment into the lungs.

All of these features are also similar in true mechanical obstruction of the bowel.

Bowel obstruction is generally a mechanical obstruction of the gastrointestinal tract.

Obstruction covered all mechanical obstruction to the urinary tract, excluding prostatic disease.

The symptoms must not be the result of a mechanical obstruction, and should not respond to the standard treatment for gastroesophageal reflux disease.

Often, the vomiting of good may be thought to point to the presence of a simple, partial mechanical obstruction to gastric emptying.

Bethanechol should be used to treat these disorders only after mechanical obstruction is ruled out as a possible cause.

The pathogenesis occurs due to both mechanical obstruction and biochemical injury.

Two patients had emergency laparotomy and no mechanical obstruction was found.

In the other 14 patients, barium studies of the small and large intestine did not show any mechanical obstruction.