Page 24 - Beaumont_Book_1
P. 24

COMPUTERISED
                                                                             Computerised Temography (CT SCAN)
        TEMOGRAPHY
        (CT SCAN)
        A CT scan, also known as a
        CAT scan, is a specialised x-
        ray which provides clear
        pictures of the inside of
        your body. In particular, it
        can give good pictures of
        soft tissues of the body
        which do not show on
        ordinary x-ray pictures.




        What preparation is
        required?
        You will be provided with a
        hospital gown to wear
        during the procedure. Any
        jewellery will need to be
        removed and depending on what area is being           may give you a flushing feeling and an odd taste in
        scanned you may need to fast prior to the             your mouth for a short time. Your doctor will
        procedure. Your doctor/nurse can inform you if it is  prescribe a course of medication (n-acetylcystine)
        necessary. Also, it may be necessary to drink         to take on the day before the scan, the day of the
        special fluids prior to the procedure. This is needed  scan, and the day after. This medication protects
        if you are having an abdominal/pelvic scan. This      your kidneys from becoming damaged from the
        drink helps to show the stomach and bowel more        contrast dye that is used during this procedure.
        clearly. Sometimes a dye (contrast medium) is            The scan is painless, however, it may take a little
        injected into the bloodstream via a needle. The dye   time to obtain the necessary pictures.





        ECHOCARDIOGRAM
        An echocardiogram is an ultrasound scan of your heart. The scan can give clear pictures of the heart
        muscle, heart chambers and structures within the heart such as the valves. Electrodes will be placed on
        your chest to allow for a tracing of your heartbeat during the procedure. Some cold gel will be spread on
        your chest and a transducer is placed on your ribs near your breastbone and directed towards your heart.
        The transducer will pick up the echos of the
        sound waves which transmit them as electrical
        impulses. The echocardiography machine            What preparation is required?
                                                          No specific preparation is required and there are
        converts these impulses into moving pictures
        of the heart. During the procedure you may be     no risks attached to having this procedure
                                                          performed. After the test is completed you can
        asked to breathe in a certain way and change
        your position.                                    continue as normal.











        P.22 Kidney Disease — A Guide for Patients
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