Mr. Clarke was admitted with bilateral renal calculi and has been receiving intravenous hydration and analgesics. He is suddenly oliguric with gross hematuria and he reports difficulty in voiding....

Mr. Clarke was admitted with bilateral renal calculi and has been receiving intravenous hydration and analgesics. He is suddenly oliguric with gross hematuria and he reports difficulty in voiding. Additional assessment findings include bladder distention, elevated blood pressure, and groin pain. These findings indicate: