Lecture 1 - Ped GI

Question 1

levels of various things in neonate at birth:
gastric acid = 
pepsin = 
intrinisic factor = 
gastrin =

Answer 1

zero
zero
zero
high

Question 2

most common TEF =
symptoms include choking/vomiting following _____;
air in the ____

Answer 2

esophageal atresia + distal TEF;
first feeding;
stomach (seen on CXR + distension)

Question 3

pyloric stenosis:

_____ peristaltic waves, palpable ___-shaped mass in the epigastric region, _____ vomiting at _____

Answer 3

visible;
olive;
projectile;
2-6 weeks (ie not at birth)

Question 4

duodenal atresia:
associated with ____ on CXR;
what syndrome is it associated with?
presents with vomiting and abdominal _____

Answer 4

“double-bubble sign”;
down syndrome;
distention

Question 5

what disease should you watch for if meconium illeus is present in a neonate?

Answer 5

cystic fibrosis

Question 6

obstructive lesions in neonates:
present with… abdominal _____ or mass;
____ stool

Answer 6

distension;

no/decreased

Question 7

volvulus:
twisting of bowel around its ____
____ is more common in infants and kids;
____ is more common in the elderly

Answer 7

mesentary
midgut;
sigmoid;

can cause obstruction, infarction

Question 8

hirschsprung disease:
lack of _____ _____ in the ____ segment of the colon;
failure of _____

Answer 8

ganglion cells, distal;

neural crest migration

Question 9

hirschprung:
diagnosed with _____;
____ _____ on digital exam;
causes chronic ____ if not treated

Answer 9

rectal suction biposy;
empty rectum;
constipation

Question 10

it is considered normal to spit of food through ____ months

Answer 10

9

or later if alcohol is involved

Question 11

intussuception:
usually occurs where?
presents with ____ stools.
may be associated with viral infection, which causes _____ = a lead point

Answer 11

illeocecal junction;
“currant jelly”;
lymphoid hyperplasia

Question 12

what virus should be associated with diarrhea in kids?

Answer 12

rotavirus