A 25-year-old male is admitted emergently 10 hours after crush injury, with anuria, extensive soft tissue swelling, and azotemia, diagnosed with acute tubular necrosis. The clinical sign determining the need for emergency hemodialysis is:
A 25-year-old male is admitted emergently 10 hours after crush injury, with anuria, extensive soft tissue swelling, and azotemia, diagnosed with acute tubular necrosis. The clinical sign determining the need for emergency hemodialysis is: