Sonography
Sonography
Sonography (pronounced: /sɒnˈɒɡrəfi/), also known as Ultrasound Imaging, is a diagnostic medical procedure that uses high-frequency sound waves to produce dynamic visual images of organs, tissues, or blood flow inside the body. The term "sonography" comes from the Latin word "sonus" meaning sound, and the Greek word "graphia" meaning writing.
Etymology
The term "sonography" is derived from the Latin word "sonus" which means sound, and the Greek word "graphia" which means writing. Thus, sonography can be literally translated as "sound writing".
Procedure
During a sonography procedure, a small probe called a transducer is used. The transducer sends out sound waves, which bounce off the body structures to create an image on the screen. This image can then be studied to diagnose and monitor various medical conditions.
Types of Sonography
There are several types of sonography, including:
- Abdominal Sonography - used to examine the organs within the abdomen.
- Obstetric Sonography - used to monitor the development of the fetus during pregnancy.
- Cardiac Sonography - used to examine the heart and its blood flow.
- Breast Sonography - used to examine the breast tissues.
Related Terms
- Ultrasound - The technology used in sonography to create images using sound waves.
- Transducer - The device used in sonography to send and receive sound waves.
- Echocardiography - A type of sonography used specifically for the heart.
- Radiology - The medical specialty that uses medical imaging to diagnose and treat diseases.
External links
- Medical encyclopedia article on Sonography
- Wikipedia's article - Sonography
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