The necessity for precise and early diagnosis in suspected rupture of the bladder is emphasized by practically all writers on the subject. In the gathered statistics of de Tarnowsky1 it is quite definitely shown that when a diagnosis has been made and operative procedure instituted within the first twelve hours following injury, the mortality has been approximately 11 per cent. If such diagnosis and operative intervention are postponed into the twenty-four hour period, the mortality has risen to 55 per cent.
The older method of diagnosing a ruptured bladder by the injection through a catheter of a known amount of fluid and the determination of the quantity of the returned fluid is open to the objection of the further diffusion of fluid through the bladder wound and the danger of infection. The method of Vaughan and Rudnick2 of the injection of air by means of a catheter and
Mark EG. INTRAVENOUS UROGRAPHY IN THE DIAGNOSIS OF RUPTURE OF THE BLADDER. JAMA. 1933;100(1):42. doi:10.1001/jama.1933.27420010006010d