T2-GI Disorders: Hypertrophic Pyloric Stenosis Flashcards
What is hypertrophic pyloric stenosis?
A GI obstruction disorder
When does HPS usually occur?
First few weeks of life
Is HPS familial?
Yes
Who is HPS predominant in?
White, first-born males
Patho of HPS:
Enlarged circular muscle of the pyloris, so _____ the pyloric canal between the stomach and duodenum. What further narrows the canal?
Decreases; Inflammation and edema further narrow canal
HPS prevents emptying of ____
Gastric contents
Physical findings of HPS: ___ and ____ during the first few weeks of life
Regurgitation and nonprojectile vomiting
Physical findings of HPS: When does projectile vomiting begin?
2-3 weeks of age
Physical findings of HPS: What happens with appetite/
Insatiable appetitie and weight loss, dehydration, and constipation
Physical findings of HPS: What is the vomitus like?
Nonbilious, can contain blood
**TEST QUESTION:
Physical findings of HPS: What type of mass is palpated in epigastrium?
“Olive” mass is palpated in epigastrium in HPS!!!
What happens in pyloric stenosis (HPS)?
Pyloric sphincter is blocked
Does the stenosis of HPS happen quickly or gradually?
Gradually stenosis forms over weeks
What happens initially with HPS? Then what?
- Initially spit up after feedings, then begin projectile feedings
- Still hungry after feeding
- Decrease stopping and urinating due to less fluid getting through
- FTT and dehydration
Management of HPS: what is the surgical procedure for this?
Pyloromyotomy
