Ultrasonography
Ultrasonography
Ultrasonography (pronounced: /ˌʌltrəsoʊˈnɒɡrəfi/), also known as ultrasound imaging, is a diagnostic imaging technique that uses high-frequency sound waves to create images of the inside of the body.
Etymology
The term "ultrasonography" is derived from the Latin ultra meaning "beyond", the Greek sonos meaning "sound", and graphia meaning "writing".
Procedure
During an ultrasound procedure, a transducer (ultrasound probe) is used to send out sound waves that bounce off tissues and organs within the body. These sound waves are then converted into electrical signals that are processed by a computer to create images.
Uses
Ultrasonography is used in many areas of medicine, including obstetrics and gynecology, cardiology, radiology, and gastroenterology. It can be used to visualize organs, soft tissues, blood vessels, and flow of blood in real-time.
Related Terms
- Sonogram: An image produced by ultrasonography.
- Echocardiogram: A type of ultrasound used to image the heart.
- Doppler ultrasound: A special type of ultrasound that creates images of blood flow through vessels.
- Transducer: The device that emits and receives the ultrasound waves.
- Sonographer: A healthcare professional who performs ultrasound examinations.
See Also
External links
- Medical encyclopedia article on Ultrasonography
- Wikipedia's article - Ultrasonography
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