How much is oliguria?

Urine generally refers to a 24-hour urine volume of less than 400 ml, oliguria is generally abnormal, oliguria is generally due to the intake of less fluid in the body, or renal insufficiency, or bilateral urinary tract obstruction caused by the cause. When the patient shows this clinical condition, he needs to go to the hospital for relevant examination and treatment in time. He can go to the hospital for urine routine examination, urinary color Doppler ultrasound examination, urine culture or urinary CT examination to make a clear diagnosis. In addition, it is suggested to do renal function and biochemical electrolyte examination, and then carry out targeted treatment.