Clinical Approach - Colon & IBD Flashcards Preview

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

Flashcards in Clinical Approach - Colon & IBD Deck (8)
1

How can constipation be recognized?

caused by colonic inertia or outlet obstruction
radio-opaque marker ingestion: scattered indicates inertia, pile up indicates obstruction

2

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

3

What is obstipation?

intractable constipation in which pt unable to pass luminal contents
present w colonic obstruction

4

Why do patients w an obstruction that isn't relieved experience nausea and vomiting?

retrograde peristalsis of small bowel

5

What are distinguishing features of UC?

blood, small volume diarrhea

6

What are the most dreaded complications of UC?

toxic megacolon, cholangiocarcinoma, PSC, colon cancer

7

What are distinguishing features of Crohns?

small bowel involved, string sign on imaging

8

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!