A young man gets into a fight after taking beer and is kicked by the lower abdomen. There was pelvic fracture. Blood at meatus. Most likely cause is

Rupture of membranous urethra is usually associated with pelvic fractures. It is characterised by blood in external meatus, failure or difficulty in passing urine, extravasation of urine to scrotum, perineum and abdominal wall, shock . Bulbar urethral injury is usually d/t a fall astride a projecting object leading to blood at meatus, perineal hematoma, retention of urine. In case of kidney laceration- features of shock, hematuria, clot colic, bruising,swelling and tenderness in the loin.