A 74-year-old man comes to the physician for a 6-month history of urinary hesitancy and dribbling after urination. Physical examination shows prostatic enlargement and a suprapubic mass. Serum creatinine is 1.6 mg/dL. Which of the following is most likely to be seen in this patient?
Detrusor hyperactivity
Fractional excretion of sodium <1%
Increased serum bicarbonate
Normal anion-gap metabolic acidosis
Overflow incontinence
