Ultrasound: What It Is, Purpose, Procedure & Results
WEBUltrasound (also called sonography or ultrasonography) is a noninvasive imaging test. An ultrasound picture is called a sonogram. Ultrasound uses high-frequency sound waves to create real-time pictures or video of internal organs or …
Ultrasound - Mayo Clinic
WEBMay 3, 2024 · Ultrasound, also called sonography, shows the structures inside the body. The images can help guide diagnosis and treatment for many diseases and conditions. Most ultrasounds are done using a device outside the body. However, some involve placing a small device inside the body.
Ultrasound: Purpose, Procedure, and Preparation - Healthline
WEBDec 12, 2019 · What is an ultrasound? An ultrasound scan is a medical test that uses high-frequency sound waves to capture live images from the inside of your body. It’s also known as sonography. The...
Ultrasound - Wikipedia
WEBUltrasound is sound with frequencies greater than 20 kilohertz. [1] This frequency is the approximate upper audible limit of human hearing in healthy young adults. The physical principles of acoustic waves apply to any frequency range, including ultrasound.
What Is an Ultrasound? - WebMD
WEBSep 20, 2023 · Ultrasound, also called sonography, uses sound waves to develop ultrasound images of what's going on inside the body. An instrument called a transducer emits high-frequency sound, inaudible to...
Ultrasound - National Institute of Biomedical Imaging and ...
WEBDiagnostic ultrasound is a non-invasive diagnostic technique used to image inside the body. Ultrasound probes, called transducers, produce sound waves that have frequencies above the threshold of human hearing (above 20KHz), but most transducers in current use operate at much higher frequencies (in the megahertz (MHz) range).
Types and Uses of Ultrasounds - Verywell Health
WEBSep 27, 2024 · An ultrasound can diagnose health conditions that involve soft tissues like organs, blood vessels, and glands. A diagnostic ultrasound may be used to examine a growth or tumor, find a blood vessel blockage, or determine the cause of swelling. Two types of diagnostic ultrasounds are: