Bowel obstruction Flashcards
Sigmoid volvulus?
Coffee beam sign on AXR
Gastric outlet obstruction/
Vomiting of semi undigested food with no bile.
Small bowel obstruction?
Acute onset (hours) Severe abdominal pain Copious amounts of bile stained vomit.
Large bowel obstruction presentation?
More insidious onset.
More likely to present with constipation.
May have faeculaent vomit.
Small bowel obstruction on axr
Central loops of dilated bowel with valvulae coniventes that do not go all the way across.
Large bowel obstruction on AXR?
Peripherally dilated bowel with haustra that do not go all the way across.
1st line investigation for obstruction?
AXR
Definitive diagnostic test?
CT Abdo.
What bloods would you ask for in an acute abdomen?
FBC, U&e, LFT, Coagulation, CRP, amylase, group and save, +/- culturre, ABG
What is the gold standard imaging for the abdomen?
CT
Conservative managament of bowel obstruction/
Drip anmd suck, fluid resus + NG tube.