Bowel obstruction Flashcards
1
Q
In what three ways can obstruction be classified?
A
- According to site
- Extent of luminal obstruction:
- According to mechanism
2
Q
What can the extent of the obstruction either be?
A
- Partial - stool and gas can pass
- Complete - nothing can pass
3
Q
What are the two types of mechanical obstruction?
A
- Mechanical
- Functional
4
Q
What could be a cause of mechanical obstruction in the small bowel?
A
- Adhesions
- Hernias
5
Q
What is a volvulus?
A
A loop of intestine that can form in the large bowel
6
Q
What mechanical causes can occur in both the small and the large bowel?
A
- IBD - adhesions and strictures
- Foreign body
7
Q
What is the functional cause of bowel obstruction?
A
Decreased muscle contractility
8
Q
What are four courses of decreased muscle contractility?
A
- Postoperative ileus
- Infection or inflammation
- Hypothyroidism
- Electrolyte abnormalities
9
Q
What are two infections that can cause decreased muscle contractility?
A
- Apendicitis
- Peritonitis
