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Ultrasound (US)
Description:
Ultrasound, sometimes called a sonogram, is an imaging modality that visualizes internal structures by recording the pulsating “echoes” of harmless and painless sound waves that are directed to a specific area of the body. These high frequency sound waves are transmitted through a transducer, which is a device that converts them into electrical impulses. A computer converts the electrical impulses into images that are displayed onto a monitor and recorded so that a radiologist can view them and interpret the results.

What to Expect During an Ultrasound:

The transducer will be coated with a colorless gel to help it glide over your skin. The transducer is moved to various positions on the area of your body being studied so that different views can be obtained. You will feel slight pressure while the transducer is glided over your skin.

Patient Preparations for a Pelvic or Obstetrical Ultrasound:    
                                    
Empty your bladder two hours before the exam, then drink 5 to 6, 8-ounce glasses of water or any other type of liquid, non-carbonated, one hour prior to your appointment.
In order to obtain the best images, the bladder needs to be full.


Patient Preparations for an Abdominal Ultrasound:

If you are having an abdominal ultrasound, you must fast for 8 hours prior to the exam. No food or beverages should be consumed, except for small amounts of water.


Preparation for a Transrectal/Prostate Ultrasound:

You must take enema the night before the exam.  Please make sure you do not eat or drink after midnight.


Preparation for a Renal Artery Stenosis Ultrasound:

No eating or drinking eight hours prior to exam.


Preparation for Carotid Ultrasound:

Please wear loose fitting clothing, no turtlenecks nor jewelry.

 


Preparation for Venous Ultrasound:

No stockings, wear clothes that are easy to remove.


No preparation necessary for:

*Renal Ultrasound
*Transvaginal Ultrasound

For Level II Obstetrical Ultrasound, please contact Perinatology Department at 201-418-1234.
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