volvulus Flashcards
1
Q
what is a sigmoid volvulus?
A
- large bowel obstruction caused by the sigmoid colon twisting on the sigmoif mesolon
- compromised blood flow and closed loop bowel obstruction
2
Q
how does it present?
A
constipation
abdominal pain
nausea and vomitting
3
Q
what is seen on abdominal x ray?
A
- coffee bean sign
2. large dilated bowel loop
4
Q
mx
A
rigid sigmoidoscopy with rectal tube insertionmnmnm