Small bowel follow through Flashcards
the duodenum is in which quadrants
RUQ LUQ
the jejenum is in which quadrants
LUQ, LLQ
the region of the iliocecal valve is in which quadrant
RLQ
the ileum is in which quadrants
RUQ, RLQ, LLQ
how long is the duodenum
10 inches (25 cm)
what is enteroclysis
direct injection of contrast into the bowel, through an intestinal tube
when is by mouth used for SBFT
when it is in combination with a UGI
what are SBFT contraindications (4)
complete obstruction
suspected perforation
pre-surgical pts
concern regarding fecal impaction
what markers are added to all SBFT images
time markers
what diet is prep for SBFT
low-residue diet for 2-3 days prior
NPO time for SBFT
8-12 hours
how much BaSO4 is used for a SBFT
1-2 cups
what are options for gastric stimulants
ice water, tea, coffee, water-soluble contrast media
how much gastric stimulants are optionally given for a SBFT
8oz
what is a scout image
preliminary non contrast abdomen image
what is the procedure for a UGI/SBFT combination
- scout image
- routine UGI
- 1st image at ingestion, or at 15 mins
- 2nd at 30 mins
the first and second images for a SBFT are centred where
at L2
what is the procedure for an oral administration SBFT
- image every 30 mins, until terminal ileum
how long does it generally take for the Ba to reach the terminal ileum
2 hours
where do you centre for a SBFT oral
iliac crest
why would prone images be used in SBFT
compression of contents
radiation protection
image quality
why would supine be used for SBFT
dem sup and lat shift of barium filled stomach
prevents compressing overlapping loops
approx. what kVp is used for SBFT images
125 kVp
does the stomach need to be included in all SBFT images?
no, just neccessary on the first
