OR Daily Question

Test your perioperative knowledge

Three hours into a prone lumbar fusion, the circulating nurse notes only 15 mL of urine in the past 2 hours from a 70 kg patient's indwelling catheter; the first hour produced 60 mL. Estimated blood loss is 900 mL, BP is 102/60 on a low-dose phenylephrine infusion, and the drainage tubing runs under the Jackson table frame. What should the nurse do?