Urology Expert Forum
Urology tests
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Urology tests

Hi Dr.,
Could you please tell me how a CT urogram,Uroflow study, and CMG are performed?
Thank you,
Nancy
233190_tn?1278553401
CT Urogram:
In a CT scan, a modified X-ray beam produces body images at different angles, offering a three-dimensional look at the inside of the kidneys, abdominal organs and pelvic organs. This test often is performed with an injection of contrast dye, combining the features of an IVP and CT. When done this way, the test also is called a CT urogram.

Uroflow study:
The uroflow is a test used to quantitatively and qualitatively assess the urinary stream generated by a patient.To perform this simple, noninvasive test, the patient with a full bladder is asked to urinate into a special container which is part of the urology machine (instead of the toilet). Within the uroflow machine, electronic sensors are able to continuously record the rate of flow of urine into the machine. The machine then generates a paper printout of the results.

CMG (taken from http://www.cinn.org/ibsc/braintumor/cystometrogram.html):

"A cystometrogram is a test used to evaluate your bladder's ability to store and release urine.  A sterile saline solution will be drained into your bladder through the catheter. Meanwhile, the physician or nurse will ask you several questions about the sensations you are experiencing. Then you will be asked to perform certain activities, such as coughing, while your bladder is being filled.

Once you feel that your bladder is filled to capacity, you will be asked to empty it while the computerized device records the pressures generated by your bladder. Afterward, the physician or nurse may fill your bladder with additional fluid so that you can perform this portion of the test while lying in different positions or standing.

The physician or nurse may place a second catheter into your rectum to record additional pressure measurements during the test. No liquid will be placed in this catheter.

The catheter(s) will be removed after the computerized device collects sufficient pressure readings. Removing the catheter may create sensations that make you feel like urinating. Feel free to go to the bathroom again before putting on your clothes.

The catheter(s) will be removed after the computerized device collects sufficient pressure readings. Removing the catheter may create sensations that make you feel like urinating. Feel free to go to the bathroom again before putting on your clothes."

Followup with your personal physician is essential.

This answer is not intended as and does not substitute for medical advice - the information presented is for patient education only. Please see your personal physician for further evaluation of your individual case.

Kevin, M.D.
Medical Weblog:
kevinmd_b
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