Clinical Approach - Colon & IBD Flashcards Preview

Block 7 - GI > Clinical Approach - Colon & IBD > Flashcards

Flashcards in Clinical Approach - Colon & IBD Deck (8)
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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


How can IBS be diagnosed?

pain, bloating, diarrhea or constipation
no structural cause present
abnormalities in function?
no positive tests for diagnosis
can cause severe pain!