urology

An independent 99-year-old community-dwelling man was admitted after being found on the floor, confused and complaining of diffuse abdominal pain and difficulty voiding. His past medical history included obesity, diabetes, hypertension, and benign prostatic hyperplasia. Examination showed a stuporous patient, abdominal distention, and diffuse abdominal tenderness. Bladder catheterization yielded 600 mL of bloody urine. Laboratory tests revealed serum creatinine 13.7 mg/dL...