Clinical Approach - Colorectal Dz Flashcards Preview

Block 7 - GI > Clinical Approach - Colorectal Dz > Flashcards

Flashcards in Clinical Approach - Colorectal Dz Deck (10):
1

How can you tell when a pt w rectal bleeding has pathology located more proximal to the anus?

problem in anus = bright red blood coating stool, on toilet paper, or dripping into toilet
dark blood/mixed blood with stool = pathology in rectum or more proximal

2

How should a digital rectal exam be performed?

feel coccyx, then levator ani muscle, feel sacral hollow, prostate in male or tip of cervix in female
always palpate sphincteric mechanism

3

What is anoscopy?

short scope looks at distal rectum and anal canal
essential for defining hemorrhoids

4

What is proctoscopy?

inspects rectum up to recto-sigmoid junction
can visualize and biopsy
economical

5

What is fiber-optic endoscopy?

asses distal colon, or entire colon
= flexoid sigmoidoscopy

6

What is a barium enema?

gives good outline of bowel
might miss polyps, biopsy and intervention not possible

7

What is virtual colonoscopy?

reconstruction of colon structure using CT and computer 3D modeling
similar accuracy to colonoscopy but not invasive
but cannot biopsy or intervene

8

What are the possible complications of diverticulosis?

diverticulitis - neck becomes obstructed and perfs
abscess - drain
peritonitis from perf - surgery!
fistula - most often to bladder - surgery!

9

What is the clinical presentation of diverticulitis?

LLQ pain, fever, constipation or diarrhea

10

What separates internal and external hemorrhoids?

the dentate line