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Flashcards in GI - 1 Imaging Techniques Deck (41)
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1

• Best method for examining UGI: Mouth -> esophagus ->stomach->duodenum

EGD

2

Flexible endoscope

EGD

3

Directed biopsy & therapeutic

EGD

4

• Gold Standard for diagnosing colonic mucosal disease

Colonoscopy

5

Flexible colonoscope

Colonoscopy

6

Anal canal ->rectum -> colon 95% reach cecum

Colonoscopy

7

Terminal ileum can be examined

Colonoscopy

8

• Sensitivity > barium enema or CT for colitis, polyps, cancer

Colonoscopy

9

Anus -> sigmoid colon

Flexible Sigmoidoscopy

10

Name 3 things Flexible Sigmoidoscopy is used to evaluate?

o Diarrhea
o Rectal bleeding
o Colon cancer screening with other modalities

11

swallow disposable capsule with camera

Capsule endoscopy (Small Bowel Endoscopy)

12

Visualization of jejunal & ileal mucosa: beyond conventional endoscope

Small Bowel Endoscopy

13

o Implanted electromagnetic devices
o Intestinal motility disorders
o Zenker’s diverticulum
o Swallowing disorders
o Small bowel diverticulosis
o Pregnancy
o Severe Crohn’s enteritis
o Small intestinal strictures
o Obstruction
All of these are contraindications for:

Small Bowel Endoscopy

14

Push down small bowl: Down mouth -> mid jejunum

Push enteroscopy

15

Biopsies or endoscopic therapy

Push enteroscopy

16

Used for bleeding

Push enteroscopy

17

Diagnosing a perforated ulcer
Free air: at little as 1-2 mL of air seen

Plain film

18

mall bowel obstruction

Plain film

19

Moderate-Severe abdominal tenderness

Plain film

20

Suspicion of bowl ischemia

Plain film

21

Ingestion of FB or penetrating FB

Plain film

22

• Drinks/swallows barium & x-ray or video taken

Barium Esophagram

23

• Evaluates: Swallowing, Peristalsis, Lesions, HH, Rings, Strictures, Cancer, , Ulcers, Reflex

Barium Esophagram

24

• Swallow barium, x-ray => visualize esophagus, stomach & duodenum

Upper GI series w/ Small Bowel Follow Through

25

• Evaluates
o Abdominal pain
o Weight loss
o Heme in stool
o Diarrhea

Upper GI series w/ Small Bowel Follow Through

26

evaluates entire SI w/ barium

Small Bowel Series

27

LARGE bowel: rectum -> cecum

Barium Enema

28

Can reflux into terminal ileum

Barium Enema

29

X-rays taken after barium inserted. • Evaluates
o Cancer
o Polyps
o Inflammation
o Structural abnormalities

Barium Enema

30

• Sound waves create image
• Differentiation of
 Cystic VS. Solid lesions of the liver and kidneys

Abdominal Ultra Sound