Pathophysiology
How does the thickening of the pyloric muscle affect gastric emptying in infants with pyloric stenosis?
The thickening of the muscle reduces the gastric outlet size resulting in delayed gastric emptying.
Which assessment finding would the nurse most likely expect with IHPS?
Projectile vomiting
What can you expect from babies several days after surgery due to swelling around the surgical site of the Pyloric muscle?
Vomiting
What does "stenosis" mean?
Narrowed.
Why do infants with pyloric stenosis often present with projectile vomiting shortly after feeding?
Due to the increased pressure in the stomach leading to projectile explosion.
What causes metabolic alkalosis in afftected infants with pyloric stenosis?
Vomiting.
When can babies typically begin liquids after surgery?
Within 24 hours.
Are males or females more at risk for developing Pyloric Stenosis?
Males
A nurse is caring for an infant diagnosed with PS, which part of the body is affected by this condition?
The Pylorus.
These infants are prone to develop ______ and failure to ______.
dehydration; thrive
Most infants will return to normal feedings within ____ days after the operation.
2-3
What is done to correct pyloric stenosis?
Surgery (Pyloromyotomy)
What do you see during and after feeding?
Peristaltic waves from left to right when lying supine.
What physical assessment finding is located in the abdomen?
An olive-shaped mass.
Can a baby resume tummy time after being discharged?
Yes!
At what age is Pyloric Stenosis most prevalent?
2-8 weeks of age
Why does the pyloric valve become stenosed in this disease?
It hypertrophies.
Which quadrant is the olive-shaped mass located?
RUQ
About how long do babies stay in the hospital after surgery?
2-3 days
What does an ultrasound reveal when diagnosing Pyloric Stenosis?
An elongated mass surrounding an elongated pyloric canal