LGIB Flashcards
LGIB usually presents as what?
hematochezia
Which conditions can result in a LGIB?
Diverticulosis bleed, IBD, ischemic colitis, intussusception
The differential dx considerations for a LGIB depend on what?
Depends on both the age of the patient and the severity of the bleeding
What conditions should you consider if the pt is under 50 years of age?
infectious colitis, IBD, anorectal disease (anal fissures, hemorrhages) and Meckel’s diverticulum
What conditions should you consider if the pt is over 50 years of age?
malignancy, diverticulosis, arteriovenous malformations (AVM, angiodysplasia/angioectasia), ischemic colitis
LGIB is defined as that arising distal to what?
the ligament of Treitz
most commonly self limited with low mortality (if truly from lower source)
What is the MCC of major LGIB?
Diverticulosis
What is the etiology for diverticulosis?
What is the hx/PE for diverticulosis?
What are the diagnostics for diverticulosis?
What is the treatment/management for diverticulosis?
What is the etiology for IBD?
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
What is the Hx/PE for Crohn’s disease?
What are the complications associated with Crohn’s disease?
What are the diagnostics for Crohn’s disease?
What is the tx/management for Crohn’s disease?
What are the diagnostics for IBD?
What is the Hx/PE for ulcerative colitis?
What are the diagnostics for UC?
What is the tx/management for UC?
What are the complications associated with UC?
What are the extraintestinal manifestations more common with UC?
Pyoderma gangrenosum
Toxic megacolon
Ankylosing sponydlitis
What are the extraintestinal manifestations more common with CD?
Gallstones
Nephrolithiasis
Compare and contrast UC vs CD
What condition is this X-ray finding associated with?
Crohn’s disease
What condition is this X-ray finding associated with?
Ulcerative colitis
What is the etiology for ischemic colitis?
What is the hx/PE for ischemic colitis?
What are the diagnostics for ischemic colitis?
What is the tx/management for ischemic colitis?
What is this X-ray finding called and what condition is it associated with?
Bowel wall thumb printing
Sign of thickening of the colonic wall secondary to submucosal hemorrhage and edema from capillary leakage (due to ischemic colitis)
What is the etiology for intussusception?
What is the hx/PE for intussusception?
What are the diagnostics for intussusception?
What is the tx/management for intussusception?
