Pseudo-renal failure presents with renal failure characteristics, such as hypercreatininemia and hyperkalemia without a change in glomerular filtration rate or structure of the kidney. Pseudo-renal failure due to trauma is difficult to diagnose, because symptoms are non-specific and other factors may cause hypercreatininemia and hyperkalemia. In a trauma patient, especially one with pelvic injury, the abrupt elevation of potassium, blood urea nitrogen, and creatinine levels without previous medical history is a key feature in the diagnosis of urinary ascites. We report a case of pseudo-renal failure caused by intraperitoneal bladder rupture in a multiple trauma patient.
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