GI - Patho E3 Flashcards
IBS key points
-IBS D&C
-distention, fullness, bloating, flatus
-intermittent
-exacerbated by stress, relieved by defecation
-intolerance to certain foods (sorbitol, lactose, gluten)
-non bloody stools
what can trigger IBS
stress, food, hormone changes, GI infections, menses
IBD is most common in
women
Caucasians
jewish descent
smokers
etiology of IBD
genetically autoimmune activated by an infection
Crohn’s patho
lymph structures get blocked -> tissues become engorged & inflamed -> fissures & ulcers develop in patchy patterns skip lesions w/ cobblestone apperance
complications of Crohn’s disease
-malnutrition (anemia)
-scare tissue & obstructions
-fistulas
-cancer
Crohn’s disease clinical manifestations
-cramping in RLQ
-watery diarrhea
-systemic wt loss, fatigue, no appetite, fever, malabsorption
-palpable abdominal mass (RLQ)
-mouth ulcers
-s/s of fistulas
Crohn’s disease affects what part of the GI tract
mostly the upper portion and small intestines with a little bit of the rectum
UC affects what what part of the GI tract
the rectum & colon
UC pathogenesis
inflammation begins in the rectum & extends in a continuous segment that may involve the entire colon -> inflam leads to large ulcerations & necrosis which can cause crypt abscesses -> body tries to repair w/ new granulation tissue but tissue is fragile & and bleeds easily
UC clinical manifestations
-abdominal pain
-bloody diarrhea
-systemic: wt loss, fatigue, no appetite, fever
complications of UC
hemorrhage, perforation, cancer, malnut, anemia, liver disease, fluid/lyte/pH imbalances
toxic megacolon: rapid dilation of the large intestine that be life threatening
both UC & Crohn’s disease put a patient at risk for
DVTs & PEs
what causes diverticulosis
low fiber diet resulting w/ chronic constipation
clinical manifestations of diverticulitis
abdominal pain (LLQ)
fever
inc WBCs
constipation or diarrhea
acute passage of frank stool
complications of diverticulitis
peritonitis
obstruction
perforation
the upper GI includes
esophagus
stomach
beginning of the small intestine (duodenum)
the lower GI includes
small intestine
colon
rectum
anus
what do we want to prevent in people w/ gerd
barrett esophagus (development of abnormal metaplastic tissue that - premalignant)
3 fold increase of developing esophageal cancer