Flashcards in Clinical Approach - Colon & IBD Deck (8)
How can constipation be recognized?
caused by colonic inertia or outlet obstruction
radio-opaque marker ingestion: scattered indicates inertia, pile up indicates obstruction
How can peudo-obstruction (Ogilvie's syndrome) be recognized?
colonic dilation w signs and symptoms of obstruction but no lesion present
rule out obstruction by enema
lots of causes
What is obstipation?
intractable constipation in which pt unable to pass luminal contents
present w colonic obstruction
Why do patients w an obstruction that isn't relieved experience nausea and vomiting?
retrograde peristalsis of small bowel
What are distinguishing features of UC?
blood, small volume diarrhea
What are the most dreaded complications of UC?
toxic megacolon, cholangiocarcinoma, PSC, colon cancer
What are distinguishing features of Crohns?
small bowel involved, string sign on imaging