An ultrasound, also called sonography, is a test that uses sound waves to see organs and tissues inside your body. It creates real-time videos and images, called sonograms.

A liver ultrasound is quick, safe, painless, and relatively cheap. However, the definite diagnosis of your condition may require additional testing.

Ultrasound is a non-invasive imaging technique that uses the differential reflectance of acoustic waves at ultrasonic frequencies to detect objects and measure distances. It is commonly used for ...

Macrocephaly means my head is bigger than most other babies' heads. Learn about its causes, symptoms, treatment and more ...

Learn all about the nature of sound and ultrasonics. How does ultrasound work? What can be discovered through the use of ultrasound imaging?