LGIB

Question 1

LGIB usually presents as what?

Answer 1

hematochezia

Question 2

Which conditions can result in a LGIB?

Answer 2

Diverticulosis bleed, IBD, ischemic colitis, intussusception

Question 3

The differential dx considerations for a LGIB depend on what?

Answer 3

Depends on both the age of the patient and the severity of the bleeding

Question 4

What conditions should you consider if the pt is under 50 years of age?

Answer 4

infectious colitis, IBD, anorectal disease (anal fissures, hemorrhages) and Meckel’s diverticulum

Question 5

What conditions should you consider if the pt is over 50 years of age?

Answer 5

malignancy, diverticulosis, arteriovenous malformations (AVM, angiodysplasia/angioectasia), ischemic colitis

Question 6

LGIB is defined as that arising distal to what?

Answer 6

the ligament of Treitz
most commonly self limited with low mortality (if truly from lower source)

Question 7

What is the MCC of major LGIB?

Answer 7

Diverticulosis

Question 8

What is the etiology for diverticulosis?

Answer 8

Question 9

What is the hx/PE for diverticulosis?

Answer 9

Question 10

What are the diagnostics for diverticulosis?

Answer 10

Question 11

What is the treatment/management for diverticulosis?

Answer 11

Question 12

What is the etiology for IBD?

Answer 12

Genetic + environmental

Bimodal age

Abx use within first year of life –>2.9x increased risk

Breastfeeding may be protective against developing IBD

Appendectomy (prior to age 20 for appendicits) –> may be protective against development of UC

Question 13

What is the Hx/PE for Crohn’s disease?

Answer 13

Question 14

What are the complications associated with Crohn’s disease?

Answer 14

Question 15

What are the diagnostics for Crohn’s disease?

Answer 15

Question 16

What is the tx/management for Crohn’s disease?

Answer 16

Question 17

What are the diagnostics for IBD?

Answer 17

Question 18

What is the Hx/PE for ulcerative colitis?

Answer 18

Question 19

What are the diagnostics for UC?

Answer 19

Question 20

What is the tx/management for UC?

Answer 20

Question 21

What are the complications associated with UC?

Answer 21

Question 22

What are the extraintestinal manifestations more common with UC?

Answer 22

Pyoderma gangrenosum

Toxic megacolon

Ankylosing sponydlitis

Question 23

What are the extraintestinal manifestations more common with CD?

Answer 23

Gallstones

Nephrolithiasis

Question 24

Compare and contrast UC vs CD

Answer 24

Question 25

What condition is this X-ray finding associated with?

Answer 25

Crohn's disease

Question 26

What condition is this X-ray finding associated with?

Answer 26

Ulcerative colitis

Question 27

What is the etiology for ischemic colitis?

Answer 27

Question 28

What is the hx/PE for ischemic colitis?

Answer 28

Question 29

What are the diagnostics for ischemic colitis?

Answer 29

Question 30

What is the tx/management for ischemic colitis?

Answer 30

Question 31

What is this X-ray finding called and what condition is it associated with?

Answer 31

Bowel wall thumb printing Sign of thickening of the colonic wall secondary to submucosal hemorrhage and edema from capillary leakage (due to ischemic colitis)

Question 32

What is the etiology for intussusception?

Answer 32

Question 33

What is the hx/PE for intussusception?

Answer 33

Question 34

What are the diagnostics for intussusception?

Answer 34

Question 35

What is the tx/management for intussusception?

Answer 35