quiz Flashcards
Which aspect of the stomach is most posterior
fundus
Which style of body habitus had a high and transverse stomach
hypersthenic
Where is the duodenal bulb located on a sthenic pt
L1-L2
What is the recommended kV range for single contrast upper GI
100-125
what is typical recipe for thick barium mixture
3 or 4 parts barium to 1 part water
which modality best demonstrates barretts esophagus
nuclear medicine
characteristics of barium sulfate
Its a positive agent, never dissolves in water, produces a colloidal suspension when mixed with water.
how long should a 6 mth infant be NPO for upper GI?
4 hrs
materials used to detect radiolucent eaophageal foreign bodies
barium covered marshmallows and cottonballs and barium pills
protective device best reduces exposure to gonadal region of fluoroscopist
bucky slot cover
most common type of gastric obstruction in infants
HPS - hypertrophic pyloric stenosis
types of digestive movement characteristic of large intestines
peristalsis, haustral, churning
vessel NOT part of arterial circle (circle of willis)
middle cerebral artery
which branches of abdominal aorta considered most superior
celiac artery
most common clinical indication for post operative cholangiogram
residual calculi (stones)
Vessel NOT typical puncture site for catheterization during angiography
external iliac artery
exposure angle that will produce the thinnest sectional thickness
the largest angle - 40 degrees
what category of reaction does extravasation fall into?
local reaction
symptom considered severe reaction to contrast media requiring life saving measures
arrhythmia/cardiac arrest
tourniquet should be applied how many inches above injection site
3-4 inches
where is the CR centered for nephrotogram of kidneys
halfway between iliac crest and xiphoid process
barium enema or IVU first if ordered on same day
IVU due to water soluble contrast is eliminated by the body first
A radiograph of LPO during IVU shows right kidney is foreshortened and superimposed over spine. What correction should be done?
decrease rotation until kidneys are parallel to IR
(30 degree rotation)
which abdominal quadrant is the duodenum located
right upper