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positioning final 2

QuestionAnswer
advantages of water soluble iodonated contrast will not hurt pt if perforation exists and moves faster than barium
what are types of double contrast? high density barium, co2 crystals and air
rotation for rao esophagus and CR? 35-40 degrees at t5-6
what should the pt do before an upper gi? dont eat or drink for 8-9 hours before exam/after midnight
where do you center the ir for upper gis? l1-2/1-2 in. above lower rib margin
how much do you rotate the pt for a pa oblique rao stomach? 40-70 degrees
what do you see on the pa oblique rao stomach? air in the fundus, duodenal bulb and loop in profile
what do you see on the ap oblique lpo stomach? barium in fundus
What do you see on the lateral stomach? anterior and posterior aspects of stomach
qhat should the pt do before a small bowel series? be on a low residue diet for 2 days prior, empty bladder. may need enema
where should the cr be for delayed images of the small bowel? iliac crests
what is enteroclysis? injection of contrast into the small bowel
what temperature do barium enemas need to be? 85-90 F
how high should the enema bag be? no more than 24 in. above anus
CR for pa colon? iliac crests
how to do pa axial colon 30-40 caudad at asis
what do you see on the pa axial colon? rectosigmoid area
how to do a pa oblique colon? rotate 35-45 degrees. shoot 1-2 inches lateral to midline of body at iliac crests
what do you see on the pa oblique rao colon? right colic flexure, ascending colon, sigmoid colon
what do you see on the pa oblique lao colon? left colic flexure and descending colon
for the right lateral decub colon, where does barium lie? medial ascending and lateral descending
what is antegrade filling? contrast injected to move with the flow of blood
what does ivu mean? intravenous urography. shows function and structure
what is an ivp? intravenous pyelogram (renal pelves and calces)
what is retrograde filling? contrast going against blood flow. via catheter
cystography general bladder exam
cystoureterography exam of lower ureters
cystourethrography exam of urethra
normal creatinine level .6-1.2
normal gfr 120-125
where should the cr be for the ap and lateral urinary system? iliac crests
for the ap oblique urinary, what is the position of the kidneys? closest is perpendicular, farthest is parallel to ir
what is a normal bun level? 10-20
how to do ap axial bladder? shoot 10-15 caudad to 2 in. above pubic syphysis
how to do ap oblique bladder rotate 40-60 degrees, shoot 2 inches above pubic syphysis and 2 inches medial to asis
how much rotation for the ap oblique male cystourethrogram? 35-40
Which skull shape is typical? mesocephalic
Which skull shape has petrous pyramids that form a 47 degree angle with the msp? mesocephalic
Which skull shape is short and broad? brachycephalic
Which skull shape is long and narrow? dolichocephalic
Which skull shape has petrous pyramids that form a 40 degree angle with the msp? dolichocephalic
Which skull shape has petrous pyramids that form a 54 degree angle with the msp? brachycephalic
which line should be perpendicular to the ir for lateral skull and facial bones? ioml
CR for lateral skull? 2 inches above eam
pa axial caldwell oml is perpendicular to the ir. shoot 15 caudal to exit nasion
ap axial towne oml perpendicular to ir. tuck chin. shoot 30 caudad to the oml or 37 to ioml
pa axial haas oml perpendicular to ir. shoot 25 cephalad to exit 1 1/2 inches above nasion
submentovertical schuller get ioml as parallel as possible to ir. shoot 3/4 inch anterior to eam
CR for lateral facial bones halfway between outer canthus and eam
parietoacanthial waters oml should form 37 degrees with ir. CR is at acanthion
modified waters oml should form 55 degrees with ir
acanthioparietal reverse waters pt is prone. oml forms 37 degrees with ir and shoot at acanthion
smv for zygomatic arches CR 1 inch posterior to outer canthus
tangential zygomatic arches tilt msp 15 toward affected side and tilt top of head 15 away from affected side. shoot to ioml 1 inch posterior to outer canthus
ap axial modified towne for z arches oml is perpendicular. shoot at glabella 30 caudad
pa rami oml perpendicular to ir. shoot to exit acanthion
pa axial rami forehead and nose on bucky. oml perpendicular. shoot 20-25 cephalad to exit acanthion
pa mandibular body aml perpendicular to ir. CR at lips
pa axial mandibular body aml perpendicular to ir. CR 30 cephalad thru tmjs
axiolateral ramus put head in true lateral. CR 25 cephalad thru ramus
axiolateral oblique body rotate head 30 degrees towards ir. CR25 cephalad thru body
axiolateral oblique mandibular symphysis rotate head 45 degrees towards ir. CR 25 cephalad thru symphysis
ap axial tmj oml perpendicular to ir. CR 35 caudad midway between tmjs. do open and closed mouth
axiolateral tmj interpupillary line perpendicular to ir. CR 25-30 caudal 1/2 inch anterior and 2 inches superior to eam
lateral sinuses msp of head is parallel to ir. shoot 1/2 to 1 inch posterior to outer canthus
Which sinus projection is used for all sinuses and fluid levels? lateral
parietoacanthial open mouth waters shows sphenoidal sinus. oml forms 37 degrees with ir, CR should exit acanthion
smv for sinuses ioml should be as parallel as possible to ir. shoot thru sella turcica 3/4 inch anterior to eam
Created by: beanso