GA 6 Flashcards
1
Q
What is this?
A
Zenker’s Diverticulum
2
Q
What are the arrows pointing to?
A
GEJ, Paraesophageal Hiatal Hernia
3
Q
What are these arrows pointing at?
A
GEJ, Sliding Hiatal Hernia, Diaphragmatic Constriction
4
Q
What is the following image?
A
“Bird Beak” - achalasia
5
Q
What is this?
A
XR: Barium Enema
6
Q
Zenker’s Diverticulum
A
- false (lacks muscularis)
- due to uncoordinated swallowing and failure of the cricopharyngeus muscle to relax
- occus in weak triangel
- symptoms: difficulty swallowing, halitosis, cough
- dx via fluoroscopic barium esophagography
**do not perform endoscopy bc it can rupture
7
Q
XR: Barium enema
A
- dx conditions affecting the large colon
- can help identify polyps or IBD
- “lead pipe sign”
8
Q
Endoscopic Retrograde Cholangiopancreatography (ERCP)
A
- contrast injected into ampulla of vater
- XR perfromed after
- dx of gallstones
- tx: can be used fro stenting to improve damage
9
Q
What is digital subtraction angiogrpahy used for?
A
helps to identify compromised arterial flow
10
Q
What is the procedure of choice when diagnosing cholelithiasis?
A
ultrasonography
11
Q
Compare CT and MRI
A
CT:
- faster
- excellent for calcification
- Iodine-based IV contrast
- radiation
MRI:
- not so fast
- not good for calcificaiton
- Gadolinium-based IV contrast
- no radiation
12
Q
What are the steps to interpreting images?
A
- Solid organs (liver spleen, pancreas, kidneys, adrenal glands)
- Gallbladder/biliary tree
- LN chains
- Dudoenum, stomach, rest of small bowel, colon
- Fat planes, abdominal wall, bone
*look at whole image
13
Q
Superior Mesenteric Artery Syndrome
A
- 3rd prtion of the duodenum is compressed b/t SMA and aorta
- causes: weight loss, cancer…
14
Q
Nutcracker Syndrome
A
- left renal vein compressed b/t SMA and aorta
- symptoms: hematuria
