Tuesday, February 11, 2014

Ultrasound- this paper is on the different kinds of utrasound, the many uses of ultrasound and the dangers. there is a Bibliography

Ultra leaden Ultrasound is an imaging technique that uses higher(prenominal) congeneric oftenness sound shake and echoes. in that respect be contrastive kinds of echography they argon placoid image, 3D echography imagining, and Doppler ultrasound. Doppler ultrasound is based on the Doppler act. (Doppler effect is whenever relative motion exists between a source of sound and a listener and the frequency of the sound heard by the listener sounds different compared to the frequency when there is no motion.) The frequency of the echoes depend on how the aspiration reflecting the ultrasound waves is wretched. If it is a high frequency then it is moving toward the probe and if it is a subvert frequency it is moving external from the probe. How much the frequency changes depends on how fast the object is moving. TO visualise how fast and object is moving, Doppler ultrasounds broadside the change in frequency of the echoes. Doppler ultrasound is use to footprint the rate o f blood campaign through the heart and major arteries. In 3D ultrasound imaging the 3D ultrasound weapon takes many dickens-dimensional images and puts them to shither to position a 3D image. 3D-ultrasound imaging is used to beat out a better ascertain at organs. Ultrasound is used in obstetrics, gynecology, cardiology, and cancer detection. Ultrasounds main expediency is that it can be used without using radiation. It can in any case be done quicker than X-rays or other radiographic techniques. There are some concerns about the safety of ultrasound. There are a few reports of low birth weight babies world born to mothers who had many ultrasound examinations during pregnancy. There are deuce possibilities with ultrasound and they are... 1. The development of heat- tissues or water absorbs the ultrasounds energy that in return increases their temperature locally. 2. The formation of bubbles- when the liquefied gases come out... If you want to get a full essay, order it on o! ur website: BestEssayCheap.com

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