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Medical ultrasound includes diagnostic techniques (mainly imaging techniques) using ultrasound, as well as therapeutic applications of ultrasound. In diagnosis, it is used to create an image of internal body structures such as tendons, muscles, joints, blood vessels, and internal organs, to measure some characteristics (e.g., distances and velocities) or to generate an informative audible sound.
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Ultrasound is defined by the American National Standards Institute as "sound at frequencies greater than 20 kHz". In air at atmospheric pressure, ultrasonic waves have wavelengths of 1.9 cm or less. Ultrasound can be generated at very high frequencies; ultrasound is used for sonochemistry at frequencies up to multiple hundreds of kilohertz.
A 3D ultrasound of a human fetus aged 20 weeks. 3D ultrasound is a medical ultrasound technique, often used in fetal, cardiac, trans-rectal and intra-vascular applications. 3D ultrasound refers specifically to the volume rendering of ultrasound data.
An FBI agent took the witness stand at the federal detention hearing of Tal Alexander — one of three wealthy Miami Beach brothers charged with sex-trafficking — and testified that since June ...
The Lakewood Ranch area homeowner saw two masked men on his motion-activated home surveillance cameras and told his wife to hide, Manatee County Sheriff Rick Wells said at a press conference Friday.
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UHF's investment will support 10,000 physicians from underrepresented communities: 5,000 students with a primary care focus and 5,000 physicians who want to advance careers in mental health, nursing, midwifery and medicine. [139]