Intestinal Obstruction

Question 1

Dynamic intestinal obstruction is divided into

Answer 1

Extrinsic - Mural - Intraluminal

Question 2

Gallstones - food bolus - enterolith - foreign body - intussusception are causes of …… intestinal obstruction

Answer 2

Intraluminal

Question 3

Vasculitis - tumors - inflammation are causes of …….. intestinal obstruction

Answer 3

Mural

Question 4

Extrinsic causes of intestinal obstruction

Answer 4

Adhesions - hernias

Question 5

Most common causes of large bowel obstruction in order are

Answer 5

1- malignancy.
2- diverticular disease.
3- volvulus.

Question 6

The most common part of the colon to be obstructed is?

Answer 6

The sigmoid colon (then the ascending)

Question 7

Causes of paralytic ileus (adynamic LBO)

Answer 7

Post operative - hypokalemia - uremia - intra abdominal sepsis

Question 8

The patient presents with signs and symptoms consistent with LBO but no abnormality is seen in radiography

Answer 8

Ogilvie’s syndrome

Question 9

Causes of Ogilvie’s syndrome

Answer 9

• Metabolic (hyponatremia, DKA).
• Trauma.
• Medications
• Neurological disease.

Question 10

The four cardinal clinical features that patients with intestinal obstruction present with

Answer 10

• Pain.
• Vomiting.
• Constipation.
• Abdominal distention.

Question 11

The best diagnostic tool to diagnose and asses intestinal obstruction is

Answer 11

CT with contrast