arrt review: GI Studies Flashcards
(46 cards)
Alimentary canal order
- Mouth
- Pharynx
- Esophagus
- Stomach
- Small intestine
- Larger intestine
- Anus
in an esophagram, the esophagus should be __________
between the spine and the heart
what is achlasia?
rare disease of the muscle of the lower esophageal body that prevents relaxation of the sphincter
“torturous esophagus”
Esophagram RAO centering
1 inch inferior to sternal angle (T5-6)
2 inches medial to MSP
Esophagram oblique position and degree
35-40 RAO
What is Barrett’s esophagus?
complication of GERD, normal tissue of esophagus changes to look like intestinal
what is a diverticulum
abnormal sac or pouch formed at a weak point in the wall of an anatomy
what is the valsalva maneuver
deep breath, holds in breath while bearing down if trying to move bowels
what is the mueller maneuver?
patient exhales then tries to inhale against closed glottis
how long is food in the esophagus?
1-8 seconds
medical term for chewing
mastication
medical term for swallowing
deglutition
esophagus originates at ____, passes through the diaphragm as ____, and joins stomach at ____
originates = C6
through diaphragm = T10
at stomach = T11
expanded terminal end of esophagus
cardiac antrum
order of pharynx
nasopharynx
oropharynx
laryngo-pharynx
atomic number of barium
56
thick barium ratio
3:1 or 4:1
thin barium ratio
1:1
hypersthenic anatomy locations
-gallbladder
-stomach
-large intestine
gallbladder = T10-11
stomach = T9-12
large intestine = periphery, transverse/left colic flexure is high
sthenic anatomy locations
-gallbladder
-stomach
-large intestine
gallbladder = T12-L1
stomach = L1-2
large intestine = transverse lower to mid abdomen, left colic flexure is high
hypo/asthenic anatomy locations
-gallbladder
-stomach
-large intestine
gallbladder = L3-4
stomach = T11-L5
large intestine = transverse/left colic flexure is low
fundus sits (anterior/posterior)
posterior
UGI RAO degree oblique for
sthenic, asthenic, hypersthenic
sthenic = 45-55
asthenic = 40
hypersthenic = 70
UGI LPO degree oblique for
sthenic, asthenic, hypersthenic
sthenic = 45
asthenic = 30
hypersthenic = 60