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Medical ultrasound


Medical ultrasound is a diagnostic imaging technique based on the application of ultrasound. It is used to see internal body structures such as tendons, muscles, joints, ... Ultrasound is sound wave...

An ultrasound system can produce images of body structures ...


travel at different speeds through materials of different densities. ... An ultrasound system can produce images of body structures because sound waves?

Ultrasound (Sonography) - RadiologyInfo.org


Ultrasound imaging uses sound waves to produce pictures of the inside of the body. ... Because ultrasound images are captured in real-time, they can show the structure and movement of the body's internal organs, as well as blood flowing ...

Medical Imaging > Ultrasound Imaging - FDA


Jul 5, 2016 ... Because ultrasound images are captured in real-time, they can show ... Ultrasound imaging (sonography) uses high-frequency sound waves to view inside the body. ... based on the reflection of the waves off of the body structures. ... as X-rays or other types of imaging systems that use ionizing radiation.

Ultrasound Production and Interactions


This is because sound waves are actually vibrations passing through a material. ... Some of the pulses will be reflected by internal body structures and send ... Echoes, which show up as bright or white spots in the image are produced by ... The basic functional components of an ultrasound imaging system are shown below.

Fundamentals of Ultrasound Imaging - Dynamic Ultrasound Group


The ultrasound image is created by first transmitting sound waves into the body and ... This is achieved using a hand held probe which contacts the body via a water based gel. ... in ultrasound imaging has a profound effect on how structures appear. ... Shorter pulses can be achieved using higher frequency, so the highest  ...

ultrasound Facts, information, pictures | Encyclopedia.com articles ...


ultrasound or sonography, in medicine, technique that uses sound waves to study ... sound waves at tissues in the body to generate images of anatomical structures. ... A technique called Doppler imaging ultrasonography can also be used to view .... Because air acts as such a strong reflector of an ultrasonic wave, gel or ...

Ultrasound scan - Better Health Channel


An ultrasound scan uses high-frequency sound waves to make an image of a ... machine directs high-frequency sound waves at the internal body structures being ... easily by ultrasound because air prevents the transfer of the sound waves ... Most ultrasound scans are non-invasive and the procedure does not involve the ...

83.07.05: The Basic Concepts of Diagnostic Ultrasound1


The human ear can hear sound waves that have a frequency of 20-20,000 ... Section I: Diagnostic Ultrasound and Section II: A Little Math Here and There ... Because of this interface, some of the sound wave will be reflected back and ... Ultrasound medical imaging produces readable images of inner body structures and ...

Ultrasound | National Institute of Biomedical Imaging and ...


Ultrasound probes, called transducers, produce sound waves that have ... Diagnostic ultrasound can be further sub-divided into anatomical and functional ultrasound. Anatomical ultrasound produces images of internal organs or other structures. ... scanner, the transducer sends out a beam of sound waves into the body.

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How Ultrasound Works


In this edition of How Stuff Works, we will look at how ultrasound works, what type of ... The sound waves travel into your body and hit a boundary between tissues ( e.g. ... The reflected waves are picked up by the probe and relayed to the machine. ... Ultrasound image of a growing fetus (approximately 12 weeks old) inside a ...

How ultrasound imaging works explained simply.


The sound waves bounce on objects such as the strawberry. ... Once the ultrasound enters the body, different things can happen to them. ... That is one reason why it is more difficult to image deeper structures. .... but it is worth understanding them because it can help you to get the best images from your ultrasound machine.

Tutorial 1 - Basic physics of ultrasound and the Doppler ...


While the term ultrasound generally refers to sound waves with frequencies ... albeit lower resolution and can be used to image deeper structures. ... it passes through tissue because parts of it are reflected, scattered, absorbed, ... If two materials have the same acoustic impedance, their boundary will not produce an echo.