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This test is a simple, non-invasive way to evaluate how well your
kidneys function.
When you were referred by your physician
for a radiological exam, you may have been told about certain
instructions to be done prior to the exam, or when you were scheduling
your appointment, the scheduler should have informed you about the
preparations that should be done prior to your exam. If you did not or
if you want a recheck, you can refer to the information listed below.
Instructions
It is extremely important that you are well hydrated 30 minutes prior to
your study. We will require you to drink 2 - 3 cups of water unless your
primary physician has advised you to restrict your fluid intake.
Medications can be taken prior to the exam.
Keep in mind that you may have been given
some additional or different instructions, based on your own particular
circumstances. If you have any questions, please call our hotline 16171 or (202) 3336-3310 (Mohandeseen),
(202) 2417 5556 (Heliopolis) or (202) 2528 4888 (Maadi) to speak with a
radiologist . It is best to call between 10
a.m. and 10 p.m., Saturday through Thursday.
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The test requires
an injection in an arm vein. This injection consists of a very small
amount of the radioactive element called technetium. The radioactivity
associated with the renal scan is negligible, and there are no ill
effects from it.
After you check in with our receptionist, you will wait about 5 - 15
minutes while the technician prepares your injection.
The technologists will instruct you to drink 2 - 3 cups of water. You
will be requested to empty your bladder.
The technologist will position you (on your back) on a scanning table.
You will then receive an injection into an arm vein.
You will be asked to lie quietly for 30 minutes while your kidneys are
imaged. You will be instructed to empty your bladder again. You will be
positioned standing or sitting for an image with the bladder empty,
about 2 minutes.
Development of the film and review by nuclear medicine physician takes
about 10 - 15 minutes. Additional images may be requested at the
discretion of the reviewing physician.
Determination for the need of lasix scan be made at this time. An I.V.
will be started (if not already done) and lasix administered into the
intravenous catheter. Scan time 30 more minutes.
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You may resume
your normal lifestyle.
The radiologist's report of the results will be ready within 24 hours.
Your doctor will discuss the results of the test with you.
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Please call our hotline
16171 or (202) 3336-3310 (Mohandeseen), (202) 2417 5556 (Heliopolis) or
(202) 2528 4888 (Maadi) to speak with a radiologist if you have any
questions. It is best to call between 10 a.m. and 10 p.m., Saturday
through Thursday.
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