Flashcards in GI module 3b Deck (38)
What are the two forms of pyloric obstruction?
Infantile hypertrophic pyloric stenosis (IHPS) (congenital)
Adult/acquired pyloric obstruction (Acquired)
signs and symptoms of IHPS (congenital PS)
Infant 2-3 weeks begins projectile vomiting (several feet) for no reason
Pathophysiology of IHPS
hypertrophied pyloric sphincter
etiology of IHPS
unknown - ? hormones
TX for IHPS
Cause of Acquired Pyloric Obstruction?
severe peptic ulcer or tumor in area
s/s of acquired pyloric obstruction?
epigastric discomfort/fullness w/ eating that progresses to severe
tx for acquired pyloric obstruction
address cause of obstruction
What are the 5 different kinds of mechanical obstruction?
Define obstructive adhesions
Fibrous scar tissue adheres to intestinal loops
What is the MC type of mechanical SI obstruction?
What is the 2nd MC type of Mechanical SI obstruction?
What is most commonly a bowel obstruction of infants and young children?
Intussusception-more common in ileocecal area
What is the definition of a volvulus
intestine twists upon itself
What is the MC cause of LI obstruction?
What is one functional obstruction (physiological obstruction)
Define paralytic ileus
Obstruction that results when peristalsis stops
What are possible causes of an ileus?
ABD, spine, joint surgery
Imbalance of lytes
D/o of muscle function
TX strategies for ileus?
NG tube decompress pressure in GI
Address underlying cause
Surgery if conservative tx unsuccessful
What is the other name for Congenital Aganglionic Megacolon?
Etiology of Hirschsprung's dz?
Birth defect -ganglionic cells of the LI fail to develop
What is the functional result of Hirschsprung's Dz?
Impaired motility of colon - poor coordination/ability to contract muscle
Impacted/trapped stool, infection, inflammation, constipation
Name the 2 different kinds of Hirschsprungs dz
Long segement-regions proximal to rectosigmoid also involved
Tx for Hirschsprung's dz
Decompress colon - serial rectal irrigation-surgical removal of involved intestinal segment
What are the 2 different forms of IBD?
Peak onset of Crohn's
15-25 and then again up to age 40
Pathophys of Crohns
Inflammation extends through all layers of intestinal wall
Granulomatous inflammation occurs
Skip lesions may occur
can effect entire GI system
Pharaceutical tx of crohns