What is it?

What is it?

Imaging (e.g. graphy) of structures inside the body using the emission of ultratone sound waves (high-frequency sound waves that are not audible for human hearing) and the capture of reflected (echo) sound that is then converted into a video image. The most common application is the evaluation of the abdominal organs. The examination of muscles, connective tissue and blood vessels is also an importance use of ultrasound.


Ultrasound of the abdomen-small pelvis, neck, soft tissues, duplex carotid-vertebrae, duplex of the upper and lower extremities, chest, prostate, etcetera.

Test Procedure

Test Procedure

Preparation for the test

  • For abdominal tests, you must be fasting:

Type of food:Example:Allowed until at the latest:
Normal mealmidnight before the surgery or examination
Light meale.g. a sandwich or toast with jam. Deep-fried/fatty foods or meat are not includedsix hours prior to the procedure or examination
Dairy productsMilk, bottle-feeding for a child, yogurt...six hours prior to the procedure or exam
Breastfeedingfour hours prior to the procedure or examination
DrinksAs wished: water, sugar water, sports drinks, clear fruit juices without pulp (apple juice, grape juice)

a cup: clear tea and coffee without milk
Recommended: continue to drink up to two hours before the procedure or examination
(Exceptions: gastrointestinal surgery. You should follow the instructions of your attending physician).

No milk products

  • For tests of the pelvic area, you must have a full bladder.
  • For an ultrasound of the prostate, yoiu must have done an intestinal preparation. Your physician will provide you with more information.

Centres and specialist areas

Centres and specialist areas

Latest publication date: 10/10/2023
Supervising author: Dr. Schoofs Christophe