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Learn About Your Ultrasound
 Ultrasound
creates images of the body using sound waves rather than x-rays, so
since there is no radiation being used, it is safe for pregnant women
and children. These sound waves enter the body through a device called a transducer,
which is placed directly upon the skin. The sound waves interact
with body tissues and reflect back to the transducer, where they are
converted into images on a computer monitor
Before Your Ultrasound: Before having a pelvic
ultrasound, please drink 32 oz of water an hour before the exam and do
not empty your bladder, as a
full urinary bladder is beneficial when visualizing the uterus and
ovaries.
For abdominal ultrasounds, preparation includes
a low-fat diet for 24 hours
prior to the exam, and fasting for 8 hours prior. Otherwise, no significant preparation is
necessary for your ultrasound unless specified by the ultrasound
staff.
Time Required for Your Ultrasound: The length of your
ultrasound will depend upon the nature of the study, but you should
generally allow one hour for your exam.
Who Performs Your Ultrasound: A Registered Sonographer
will perform your exam. In certain circumstances, a physician
may also perform additional scans.
During Your Ultrasound: A warm gel is applied to the
skin covering the area to be scanned. During the ultrasound, the sonographer will frequently ask questions to make sure the appropriate
scans are obtained. The images generated will be continually
monitored as the transducer is moved back and forth over the
body. At times, you may be asked hold your breath for recording
of particular areas. Depending on the area to be visualized, the sonographer may also switch transducers during your exam.
After Your Ultrasound: A radiologist will analyze the
images obtained during your ultrasound and send a written report to
your doctor, typically within 48 hours.
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