- radiographic contrast study of the urinary bladder and urethra while the patient is voiding.
Patient Preparations
- let the patient empty the bladder completely
Materials
- CM – iodinated compound – 50 ml
- Sterile water – 200-300 cc
- Catheter
- Syringe
- Container
- Gloves
Procedure
1. scout film – pelvis AP
2. insert catheter to the urethra
3. introduction of diluted CM (up to 200 cc)
4. remove catheter
5. position px 35 degrees oblique facing the cassette/film
6. outer leg is slightly flexed
7. take exposure (CR at the level of symphysis pubis) while the patient is voiding


