Flashcards in GI16 Deck (18):
What is the cause of appendicitis in adults?
Obstruction by fecalith
What is the cause of appendicitis in children?
Lymphoid hyperplasia (Post-viral)
What is a diverticulum?
Blind pouch protruding from the alimentary tract that communicates with the lumen of the gut
What is the most common site for diverticulum?
Define "True" diverticulum.
All 3 gut wall layers outpouch
What is an example of a True diverticulum?
Define "False" diverticulum.
Only mucosa and submucosa outpouch
What is diverticulosis?
Many false diverticula
-50% of people > 60 years
A diet low in what, could cause diverticulosis?
What are the S/S of diverticulitis?
*sometimes called "left-sided appendicitis - similar presentation
Is Zenker's diverticulum a True or False diverticulum?
What is a Zenker's diverticulum?
Herniation of mucosal tissue at Killian's triangle between the thyropharyngeal and cricopharyngeal parts of the inferior pharyngeal constrictor
What are the Presenting symptoms of a Zenker's diverticulum?
Halitosis (d/t trapped food)
Where does intussusception commonly occur?
What can intussusception cause?
"Current Jelly" stools
Compromise blood supply
Most cases of intussusception are in what population?
What is a volvulus?
Twisting of portion of bowl around its mesentary
-Leads to obstruction and infarction
*more common in Elderly