<prompt> Acute mechanical large bowel obstruction should be operated early because of the risk of -Respiratory embarrassment due to abdominal distensionElectrolyte imbalance from vomitingSepticaemia from bowel contentsClosed-loop obstruction and caecal perforation  <response>: Virtually all patients with complete acute large bowel obstruction require prompt surgical intervention and should not undergo a trial of non-operative management Acute large bowel obstruction in patients with competent ileocecal valve is a true surgical emergency because of high chances of perforation MC site: Cecum Once diagnosis has been made, surgical exploration should be undertaken as soon as possible after appropriate resuscitation 