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How to Prepare
Eat normally. Empty your bladder 2 hours before your appointment, then drink 32 ounces of water. Finish drinking all 32 ounces one hour before your exam. Do not empty your bladder before your exam.
Common Reasons for This Exam
flank pain; blood in the urine (hematuria); protein in the urine (proteinuria); kidney stones; hydronephrosis; bladder infection; kidney infection; abdominal trauma; urinary tract infections; family history of polycystic kidney disease; concern for ureteral obstruction.
What This Ultrasound Can Find
kidney stones, hydronephrosis, masses or cysts, obstructions, nephritis, dilated ureters, incomplete bladder emptying, renal carcinoma, acute renal failure.
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