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What is Ultrasound?

What is Ultrasound?

Ultrasound is a noninvasive diagnostic medical technique. It is a type of imaging.
It produces high-frequency sound waves to produce images of the internal structures of the body. It works under the same principle of sonar and radar used in ships and aircrafts.

When is Ultrasound recommended?

Ultrasound is majorly recommended to provide the expectant mother with the first view of her child. However, these tests have other uses as well.
Ultrasound is preferred to confirm medical disorders than other tests, as it uses nonradioactive waves for diagnosis.

Preparing for Ultrasound

Before an ultrasound, the patient is required to fast for 8-12 hours. This is done as it is normally difficult to get a clear picture as the undigested food blocks the sound waves.
If organs such as gallbladder, liver, pancreas, and spleen are to be tested, a fat-free meal is recommended for the evening before the test. The individual is supposed to then fast until the procedure.

If other organs such as the bladder is being tested, the individual is asked to drink a lot of water and to hold the urine during the ultrasound. This makes the bladder full and it is better visualized.
The doctor must be briefed about any prescription drugs, over-the-counter medications, or herbal supplements that is taken by the individual before the ultrasound.

Understanding Ultrasound results

The procedure is generally undertaken by an ultrasound technician.
Images are usually available immediately from the scan.
The radiologist interprets the images and prepares a report. The radiologist's report is given to the physician who orders the ultrasound, who then discusses the results with the patient.

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