Endoscopy Lecture Powerpoint Flashcards
60 cm flexible sigmoidscope
Allows for access up to the splenic flexure and sometimes visualizing down the transverse colon with its length, however relatively useless nowadays because more and more polyps are occurring more proximal
2 common locations of upper GI bleed
- duodenum
- stomach
Recall the ligament of trietz represents the transition from…
…duodenum to jejunum
EGD prep (2)
- NPO after midnight
- no anticoagulation (preferred if have to biopsy will bleed)
- local anesthetic spray or sedation (normally sedation is preferred due to how uncomfortable it is)
EGD complications (2)
- bleeding
- perforation of often the esophagus
Z line
Visible transition point on EGD at the lower esophagus that divides the esophageal tissue above and gastric tissue below, should be clean transition
How far from the incisors from the Z line?
35-40cm
Schatzki ring
An inflamed ridge where the Z line should be in the lower esophagus
Barrett’s esophagus classic description
“salmon colored fingerlike projections into the esophagus past the z line)
Fundic gland polyps
A type of benign small non-adenoma that can occur frequently in PPI patients
At least __ biopsy samples are required at minimum of a stomach ulcer to ensure it is not cancerous
8
Vast majority of stomach is supplied by what vessel?
The celiac trunk
What condition is usually not associated with a duodenal ulcer?
Carcinoma of the duodenum
Where is the most common part of the duodenum for ulcer disease to occur?
Right after the pyloric sphincter, the duodenal bulb
Anterior ulcers of the duodenum vs posterior
Anterior perforate into the peritoneum of the open abdomen, posterior erode the pancreas behind it
