Mesenteric Ischaemia Flashcards
1
Q
What are the 4 main causes of acute mesenteric ischaemia?
A
- Arterial embolism (following atrial fib., MI)
- Arterial thrombosis (on pre-existing atherosclerosis)
- Venous thrombosis
- Non-occlusive mesenteric ischaemia
2
Q
What is the commonest cause of acute mesenteric ischaemia?
A
Embolic occlusion of the superior mesenteric artery
3
Q
What portion of the bowel does the coelic axis supply?
A
Foregut: distal oesophagus to second part of duodenum
4
Q
What portion of the bowel does the superior mesenteric artery supply?
A
Midgut: third part of duodenum to mid-transverse colon
5
Q
What portion of the bowel does the inferior mesenteric artery supply?
A
Hindgut: mid-transverse colon to rectum
