Radiology modules 5&6 Flashcards
(27 cards)
A prenatal history of which of the following should alert the NNP to the potential of GI Obstruction?
Polyhydramnios
How many hours post delivery should gas be present in the small intestine?
3
In a neonate with normal lungs, the diaphragm is found at the level of
9th vertebra
The “double wall” sign on an abdominal x-ray indicates?
free air in the peritoneum
Calcifications around the bowel may be indicative of
meconium peritonitis
Which of the following is a clinical feature of pyloric atresia
Visible peristalsis
Radiographically, pyloric atresia appears as
gasless abdomen
Multiple atresias should be suspected in the presences of
Abdominal calcifications
During development the lumen of the bowel is blocked by
epithelial tissue
Malrotation occurs as a result of the feature of which step in bowel development
fixation
The most common site of small bowel obstruction is
ampulla of vater
Duodenal obstructions may be caused by intrauterine
vascular ischemia
Causes of extrinsic compression of the duodenum include
Ladd’s Bands
Normally the duodenum is fixed at the
Ligament of Treitz
Duodenal obstruction is associated with which of the following
esophageal atresia
Clinical features of duodenal obstruction include
indirect hyperbilirubinemia
Radiographically, duodenal atresia presents as a
double bubble
Most common cause of jejunal obstruction is
intrauterine ischemic insult
Radiographically, proximal jejunal atresia may present with
a triple bubble
Anomalies that occur during migration of the midgut and hidgut into the umbilical cord is
omphalocele
Which of the following is classified as a functional disorder of the bowel?
meconium plug syndrome
Hirschprung’s disease is caused by the absence of
ganglion cells
Hirschprung’s disease is associated with which of the following syndromes
Down’s syndrome
In an infant with a normal bowel, contrast material should be expelled with in what time period?
24 hours
