Flashcards in Endoscopy Deck (14)
What does an ERCP soope look at?
It goes through the stomach, through the ampulla and looks at the biliary tree.
What is endoscopy used for?
Therapeutics (both emergency and elective)
What conditions can be diagnosed visually using endoscopy?
Where can stents be inserted?
What types of stents are there?
Metal self expanding (permanent)
What are the complications of stenting?
Foreign body sensation
How are strictures treated?
Stenting is usually reserved for malignancy
Name two methods of dilatation
How can tumours be removed by endoscopy?
Polyp is raised on a bed of adrenaline/saline
It is snared, and removed by hot biopsy
This is usually done for colonic polyps.
Endoscopic mucosal resection:
Lesion is raised on a bed of adrenaline/saline
It is looped and converted to a polyp
It can then be snared
How can endoscopy be used in nutrition?
Percutaneous endoscopic gastrostomy (PEG) insertion
Percutaneous endoscopic jejunostomy insertion
Naso-jejunal tube insertion
Describe PEG insertion
Identify insertion site
Transabdominal passage of wire
Pull the wire out of the mouth
Tie the PEG tube to the wire, and pull into position
Fix in place and set up connectors
How is a naso-jejunal tube inserted?
The tube is passed under direct vision
The endoscope is then pulled out
The nasal overtube is fed in
The NJ tube is drawn into the overtube
It is then withdrawn through the nose and fixed in place
What diseases is endoscopic surveillance used in?
Colonic polyps and colorectal cancer