This exam shows how well the kidneys are functioning.
- You will be given a medication called Captopril to lower blood pressure. Your blood pressure will be monitored until it stabilizes.
- An intravenous (IV) site will be started in one of your arms.
- You will be placed on a scanning table with a gamma camera located under the table in position to image the kidneys.
- The nuclear medicine technologist will inject a small amount of radioactive tracer through the IV site and begin the imaging process immediately.
- Imaging will require you to lie flat on your back completely still for 30 minutes.
- It is possible that the doctor may order the exam with a diuretic. The diuretic is infused through the IV site.
- If a diuretic is used, you may need to lie down for an additional 30 minutes.
- You will follow up with ordering doctor.
- Please bring a prescription for the procedure if your doctor has given one to you.
- Bring a list of current medications.
- Your doctor may want you to stop taking some of your blood pressure medications immediately prior your test date. Please contact the hospital/clinic where you test is scheduled if you have any questions.
- If you are pregnant or suspect you may be, contact your referring doctor.
- Tell the technologist if you are planning to travel out of the country.