Web Results

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?

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 ...

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 ...

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


While the term ultrasound generally refers to sound waves with frequencies above ... albeit lower resolution and can be used to image deeper structures. ... as it passes through tissue because parts of it are reflected, scattered, absorbed, ... Typically in soft tissues, the amplitude of an echo produced at a boundary is only a .....

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.

Ultrasound, Sonography and Other Types of Ultrasonics | InnerBody


The term "ultrasound" actually applies to sound waves spanning a range of ... because speed of sound is basically consistent within a particular medium under ... Baleen whales like the blue whale can produce sound with a frequency of 10 Hz, ... of different densities in the body; denser structures will cause a stronger echo.

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 scan - Better Health Channel


An ultrasound scan uses high-frequency sound waves to make an image of a ... The ultrasound machine directs high-frequency sound waves at the internal body structures ... Sometimes, doctors will use ultrasound scanning to monitor and guide ... easily by ultrasound because air prevents the transfer of the sound waves ...

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 ...

More Info

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


May 22, 2016 ... An ultrasound system can produce images of body structures because sound waves - 1347848.

Medical Imaging > Ultrasound Imaging - FDA


Ultrasound imaging (sonography) uses high-frequency sound waves to view soft tissues such ... Because ultrasound images are captured in real-time, they can show ... is produced based on the reflection of the waves off of the body structures. ... so it does not have the same risks as X-rays or other types of imaging systems ...

How ultrasound imaging works explained simply.


Mar 18, 2015 ... The sound waves bounce on objects such as the strawberry. .... That is one reason why it is more difficult to image deeper structures. ... An ultrasound machine scanning in “A scan” mode can be used. .... might think that using the lowest frequency is the best because it gives a longer depth of penetration.