<prompt> Not true about urethral injuries isCatheterize the pt. immediatelyCan be associated with fracture pelvisBladder injury is associated with post urethral injuriesBlood at the external urethral meatus is an imp feature  <response>: This is very well known that in a pt. of urethral injury, catheterization is not done bc 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. 