Test 3. 4

Question 1

FB on US will cause

Answer 1

dark acoustic shadow

Question 2

where is the fundus and pyloric antrum with 180 GDV

Answer 2

they flip

• fundus now on right ventral side
• pyloric antrum on left dorsal

Question 3

Answer 3

LL of GDV
fundus is gas filled on right side and ventral

Question 4

Answer 4

RL of GDV

pyloric antrum is gas filled, left sided and dorsal
compartmentalization visible

Question 5

what to look for on US of gastric neoplasia

Answer 5

thickened walls
loss of normal layers
mass or diffuse infiltrate
mass is hypoechoic (darker)

Question 6

Answer 6

gastritis
* thickened wall
* normal layering
* fluid accumulation
* prominent rugal folds
* fat outside can be brighter than normal

Question 7

mechanical vs functional ileus

Answer 7

mechanical: blockage prevents movement

functional: no blockage, wall is not working

Question 8

mechanical ileus can be caused by

Answer 8

obstruction
* FB
* cancer
* intussusception
* adhesion

can be complete or incomplete, hard to see if partial, recent or close to stomach

Question 9

functional ileus is caused by

Answer 9

decreased contractility
* electrolyte imbalance
* irritation (enteritis, peritonitis)
* infarct

Question 10

Answer 10

mechanical ileus- obstruction causes dilatation upstream and past obstruction is normal or empty

• blue: peristaltic contraction- symmetrical

Question 11

Answer 11

ileo colic intussusception

Question 12

Answer 12

gravel sign
intestinal cancer- things get stuck in front of tumor

Question 13

Answer 13

intestinal neoplasia
* diffuse thickening
* muscularis layer very thick
* small cell lymphoma

IBD looks the same