Abdominal ultrasound

An ultrasound machine makes images of organs and structures inside the body. The machine sends out high-frequency sound waves that reflect off body structures. A computer receives these waves and uses them to create a picture. Unlike with x-rays or CT scans , this test does not expose you to ionizing radiation. You…

How you will prepare for the test depends on the problem. You will likely be asked not to eat or drink for several hours before the exam. Your health care provider will go over what you need to do.

There is little discomfort. The conducting gel may feel a little cold and wet. The sonographer may press the probe against your abdomen.

You may have this test to: Find the cause of abdominal pain Find the cause of kidney infections Diagnose or monitor tumors and cancers Diagnose or treat ascites Learn why there is swelling of an abdominal organ Look for damage after an injury Look for stones in the gallbladder or kidney Look for the cause of abnormal…

The organs examined appear normal.

The meaning of abnormal results depends on the organ being examined and the type of problem. Talk to your provider if you have any questions or concerns. An abdominal ultrasound can indicate conditions such as: Abdominal aortic aneurysm Abscess Appendicitis Cholecystitis Gallstones Hydronephrosis Kidney stones…

There is no known risk. You are not exposed to ionizing radiation.

Carucci LR. Diagnostic imaging procedures in gastroenterology. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine . 27th ed. Philadelphia, PA: Elsevier; 2024:chap 119. Chen L. Abdominal ultrasound imaging: anatomy, physics, instrumentation, and technique. In: Sahani DV, Samir AE, eds. Abdominal Imaging . 2nd ed.…