Not true about urethral injuries is
This is very well known that in a pt. of urethral injury, catheterization is not done b/c it would conve a paial tear into a complete transection of the urethra*. Blood at the urethral meatus is the single most impoant sign of urethral injury. The presence of blood at the external urethral meatus indicates that immediate urethrography is necessary to establish the diagnosis. Bladder injury (either intraperitoneal or extraperitoneal) is associated with posterior urethral injuries.
Catheterize the pt. immediately
Can be associated with fracture pelvis
Bladder injury is associated with post urethral injuries
Blood at the external urethral meatus is an imp feature
Urology