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Orthopaedics · Fractures: urethral injury in pelvic fracture
Sample itemA man with a pelvic fracture has blood at the external urethral meatus and a high-riding prostate. What is the next step?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
B. Retrograde urethrogram before any catheterisation
Blood at the meatus after pelvic trauma suggests urethral injury, typically of the posterior (membranoprostatic) urethra. A retrograde urethrogram confirms it, and a catheter should not be passed blindly because it can convert a partial tear into a complete one.
Option by option
A. Immediate Foley catheter insertion
Blind catheterisation can worsen the injury.
B. Retrograde urethrogram before any catheterisation (correct)
Correct. Image the urethra first with a retrograde urethrogram.
C. Per rectal digital massage
Rectal massage has no role and can cause harm.
D. Intravenous urography only
IV urography does not evaluate the urethra adequately.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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