Pediatric GI Disorders and Pediatric Jaundice Flashcards
What is the most helpful study to quantify the severity of GERD?
24-hour intraesophageal pH and impedance monitoring
What does impedance testing measure?
Direction of bolus movement in the esophagus
Where is intussusception most common?
Ileum invaginating into the colon at the ileocecal junction
What do 80% of kids with intussusception present with?
Rectal bleeding (currant jelly stools)
When is pyloric stenosis most common?
In which sex is it more common?
What does it present with?
1) Age 2-4 weeks
2) Boys
3) Projectile vomiting
What does pyloric stenosis lead to?
1) Hypochloremia
2) Hypokalemia
3) Metabolic alkalosis
Hirschsprung disease is more common in what sex?
It is due to?
1) Boys
2) Failure of ganglion cells to migrate down the developing colon
What is Hirschsprung disease characterized by?
Failure to pass meconium within the first 24-28 hours of life
What findings suggest an infant has Hirschsprung disease?
1) Palpable stool throughout abdomen
2) Empty rectal vault
3) Hx of never having unassisted stool
What is required for a definitive diagnosis of Hirschsprung disease?
Rectal biopsy
Elevated conjugated bilirubin is suggestive of problems in?
Liver/biliary tree
Elevated unconjugated bilirubin at high levels can be deposited in?
This will result in what condition?
1) Basal ganglia and brainstem
2) Bilirubin Induced Neurologic Dysfunction (BIND) also called kernicterus
The direct Coombs test is performed on the newborns rbc’s in situations where hyperbilirubinemia is felt to result from?
ABO incompatibility
The passage of stool is an important way that the infant gets rid of?
Stool remaining in the gut for a longer period of time allows for more breakdown of?
1) Excess bilirubin
2) Conjugated bilirubin and more reabsorption into the blood
Which infants are most at risk for hyperbilirubinemia?
Those born to moms who are Type O or Rh negative
