Small Bowel Obstruction Flashcards Preview

GI Summary Sheets > Small Bowel Obstruction > Flashcards

Flashcards in Small Bowel Obstruction Deck (14)
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1
Q

What are the two types of small bowel obstruction?

A

Partial or Complete

2
Q

Name some causes of small bowel obstruction?

A

Adhesions
Hernias
Cancer
Crohn’s

3
Q

Presentation of small bowel obstruction?

A
Colicky pain around the umbilicus
Vomiting (Foul smelling)
Distended abdomen
Constipation
HIGH PITCHED TINKLING BOWEL SOUNDS
4
Q

Describe what happens on either side of the obstruction?

A

The proximal side of the bowel becomes dilated while the distal part of the bowel collapses

5
Q

What is strangulated obstruction?

A

This is when the blood supply to the bowel becomes impaired leading to ischamia and gangrene (Only takes 6 hours)

6
Q

Describe how perforation occurs in small bowel obstruction?

A

Perforation occurs in the ischaemic section of the bowel

7
Q

What is done to diagnose small bowel obstruction?

A
History
Examination
AXR
FBC (Anaemia)
U&Es 
Amylase
CRP
8
Q

If the history and blood tests indicated small bowel obstruction, what is done next?

A

Laparotomy to make diagnosis

9
Q

How do you treat small bowel obstruction with NO strangulation?

A
  • IV Fluids
  • Nasogastric Suction
  • Laparotomy
  • Surgery if doesn’t resolve
10
Q

How do you treat small bowel obstruction with Strangulation?

A
  • Resuscitate
  • Early Antibiotics
  • Early Surgery
11
Q

What can strangulation present as?

A

Sepsis
Shock
Constant Pain

12
Q

What is paralytic ileus?

A

Paralysis of the small intestine muscle causes small bowel obstruction (due to bolus of food not being moved along)

13
Q

Cause of paralytic ileus?

A

Normally after surgery when there has been excessive handling of the bowel

14
Q

Symptoms of Paralytic ileus?

A
Constipation
Abdominal Distension
Nausea
Vomiting
NO BOWEL SOUNDS