GI imaging Flashcards
1
Q
Reasons for dilated bowel
A
obstruction (volvulus, hernia
ileus
malabsorption
ischemia/infarction
2
Q
Small vs large intestine dilation
A
small - more central
large - more peripheral
3
Q
Free air in abdomen
A
No symptoms - benign (post op, pneumatosis intestinalis)
Symptomatic - perforation (ulcer, appendix, diverticulum, cancer)
4
Q
Rigler’s sign
A
air on both sides of bowel wall - bowel wall well-defined
5
Q
Thick walled bowel causes
A
water pus blood cells fat
preservation of layered architecture - suggestive of benign causes
6
Q
Imaging with acute upper GI bleeding
A
NOT BARIUM!
endoscopy
