A method of driving a toxin through a patients kidneys, the method includes administering a diuretic to the patient to induce increased urine flow and collecting urine expelled by the patient. The amount of urine expelled by the patient is determined based on the collected urine. The patient is infused with fluid from a fluid source. Diuresis is induced by automatically adjusting the amount of fluid infused into the patient from the fluid source based on the determined amount of urine expelled by the patient to at least balance the amount of urine expelled by the patient with the amount of fluid infused into the patient to drive the toxin out of the patients kidneys.
