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68 Cards in this Set

  • Front
  • Back

what type of exam is retrograde urography?

nonfunctional radiographic exam of the urinary system

how is contrast injected in retrograde urography?

via catheterization in a retrograde fashion directly into the pelvicaliceal system

why is retrograde urography considered nonfunctional?

because the patient's physiologic processes are not involved

2 indications for retrograde urography or evaluation of the collecting system

1. renal insufficiency


2. allergic to iodinated contrast media

how is function determined during a retrograde urogram?

doctor injects blue dye into the veins of the patient by way of IV and watches the dye filter down into the bladder through a scope

what two things do retrograde urograms demonstrate?

1. location of urinary calculi


2. evaluate other types of obstructions

what position is the patient started in for retrograde urograms?

modified lithotomy position

what are the typical radiographic images done for a retrograde urogram?

1. scout


2. pyelogram


3. ureterogram

what image is done when the pt is catheterized?

scout

what image demonstrates contrast filled renal pelvis on a retrograde urogram?

Pyelogram

what image is done when the urologist withdraws the cathetar and demonstrates the ureters without the cathetar?

ureterogram

what does the scout allow?

the tech to check technique and positioning and the urologist to check the position of the catheter

scout positioning; CR, down what plane;respiration

KUB; iliac crest, down the msp; suspended

what is the second radiograph?

pyelogram

how many ccs of contrast is injected through the catheter in a retrograde urogram?

3-5ccs

what is the third radiograph taken?

ureterogram

exam of the urinary bladder

cystography

exam of the urinary bladder and ureters

cystoureterography

exam of the urinary bladder and urethra

cystourethrography

radiographic exam of the urinary bladder after retrograde filling with a iodinated contrast media via a urethral catheter

retrograde cystography

where are retrograde cystograms performed?

in the R&F room

what type of study is a cystogram?

static study

indications for retrograde cystography (6)

1. vesicoureteral reflux


2. recurrent urinary tract infections


3. bladder trauma


4. fistula


5. nocturnal enuresis- bed wetting


6. extravasation

contraindications to retrograde cystography

inability to catheterize patient

what contrast media is used for retrograde cystography?

diluted iodinated contrast

how many bottles and what size for retrograde cystography?

2x 300cc's bottles

what is the bowel prep for retrograde cystography?

none

how many FPS for retrograde cystography?

1 fps

what are voiding studies done for?

to show urethral canal and reflux

once pt. is catheterized, what position are they placed in at the start of a voiding cystogram?

supine

typical foley cath size

16 fr

the smaller the fr.,

the narrower the opening

average bladder capacity

500ccs

what kvp for retrograde cystography?

70-80kvp

what size IRs for overheads during retrograde cystography?what orientation and why?

10x12; LW to include distal ureters

position and projections for overheads

AP axial/PA axial- supine or prone


AP obliques- RPO and LPO


left lateral- lt. lateral recumbent


AP-supine (post void)

CR for AP axial projection; respiration

10-15* caudal @ 2" above p.s.; expiration

CR for PA axial projection; where does it exit?

10-15* cephalic, 1" distal to coccyx; slightly above p.s.

how many degrees is the pt obliqued for AP oblique projection? how is the thigh positioned?

40-60*; posterior

CR for AP oblique

T 2" above p.s. and 2" medial to upside ASIS

respiration for AP oblique

expiration

what plane is centered for left lateral projection?

MCP

where is the IR centered for left lateral projection?

2" above p.s.

CR for left lateral projection

T, 2" above p.s. on MCP

respiration for left lateral projection

expiration

CR for post void on 10 x 12

T, 2" above p.s.

CR for post void on 14 x 17

T to crest on MSP

what does a post void image show if vesicoureteral reflux was present?

whether the kidneys have emptied

radiographic examination of the urinary bladder and urethra utilizing contrast

cystourethrography

what type of study is a cystourethrogram?

functional study

what is similar and what is different about cystourethrograms vs. cystograms?

same general set up and similar procedure, except patient voids contrast on radiographic table under fluroscopy

4 indications for cystourethrography

1. urinary incontinence


2. dilatation of urethra


3. strictures


4. diverticuli

contraindication to cystourethrography

inability to cath. patient

how many and what size bottles of contrast for cystourethrography

2 350cc bottles

how many fps for cystourethrography?

2 fps

what 2 positions and projections for cystourethrography

AP-supine


AP oblique- RPO



Male patient: how many degrees is the patient rotated for AP oblique cystourethrography? what position? how many FPS?

35-40*; RPO;2

what positions for female patient in cystourethrography? how many FPS?

AP-supine and AP oblique 35-40*; RPO; 2

what is metallic bead chain cystourethrography used for?

done in females to check for anatomin abnormalities responsible for stress incontinence

what are male urethrography procedures done for?

to demonstrate full length of male urethra

radiographic examination of urinary system in patients who had bladder removed due to CA

loopogram

loopograms require retrograde filling through

stoma

bladder is previously removed and ureters are connected to

ileoconduit

where is the stoma located usually when an ileoconduit is formed on a patient?

Rt. lower quadrant

a loopogram checks what?

kidneys and ureters

loopograms are performed where?

R/F room

how many FPS for loopograms? kVp for film? digital?

1 fps; 70-80,80-85

what type of contrast for loopogram?

iodinated water soluble