The priority here should be to increase fluid intake to produce a full bladder.
The nurse will inform the patient that, in preparation for an ultrasound of the lower urinary tract, they will require a full bladder. The patient will then be instructed to drink at least 100 ounces of fluid before they go in for the procedure. This will increase the volume of urine produced by the kidney and bladder, which in turn increases pressure in these organs and allows for better visualization during this type of procedure.
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