Catheter cystogram

• Usually in resuscitation room
• X-ray plate under pelvis
• 300mls dilute IV contrast medium (150ml contrast + 150ml saline)
• Push catheter in a further 2–3 cm so balloon not blocking bladder neck
• Inject contrast down catheter with bladder syringe and clamp catheter
• AP pelvis X-ray taken. Additional lateral if possible
• Evacuate contrast and repeat AP pelvis X-ray

Retrograde urethrogram

• Usually in resuscitation room
• X-ray plate under pelvis
• 20mls dilute IV contrast medium (10ml contrast + 10ml saline)
• Balloon of small Foley catheter into meatus and gently inflated
• Hold catheter in place and inject contrast
• AP pelvis X-ray taken. Additional lateral if possible