Gastrointestinal endoscopy Flashcards
risk of bleeding
clean based ulcer
3-5%
risk of bleeding
flat pigmented spots covering the ulcer base
10%
risk of bleeding
adherent clots covering the ulcer base
20%
endoscopic therapy needed
risk of bleeding
platelet plug protruding form vessel wall in the base of an ulcer (sentinel or visible vessel)
40%
risk of bleeding
active spurting from an ulcer
> 90% bleeding without therapy
indicated for first bleed from large oesophageal varices
EVL (endoscopic variceal ligation)
Rx bleeidng from large gastric funds varices
endoscopic cyanoacrylate “glue” injection
MC site dieulafoys lesion
lesser curvature of proximal stomach
presence of linear furrows and multiple corrugated rings throughout narrowed esophagus
feline esophagus
when to repeat colonoscopy
1 or 2 small (
Repeat colonoscopy in 5 years
when to repeat colonoscopy
3 to 9 adenomas, or any adenoma 1 cm or containing high-grade dysplasia or villus features
Repeat colonoscopy in 3 years; subsequent colonoscopy based on findings
when to repeat colonoscopy:
10 adenomas
Colonoscopy in
when to repeat colonoscopy:
Piecemeal removal of a sessile polyp
Exam in 2 to 6 months to verify complete removal
when to repeat colonoscopy:
Small (
Colonoscopy in 10 years
when to repeat colonoscopy:
>2 serrated polyps, or any serrated or hyperplastic polyp 1 cm
Repeat colonoscopy in 3 years
when to repeat colonoscopy:
Incompletely removed serrated polyp 1 cm
Exam in 2 to 6 months to verify complete removal
when to repeat colonoscopy:
Colon cancer
Evaluate entire colon around the time of resection, then repeat colonoscopy in 3 years
when to repeat colonoscopy:
Long-standing (>8 years) ulcerative colitis or Crohn’s colitis, or left-sided ulcerative colitis of >15 years’ duration
Colonoscopy with biopsies every 1 to 3 years