ultrasound

**__Ultrasound__**
====It is a cyclic pressure sound wave with a frequency greater than the limit of a humans. humans cannot hear it. There is reflection through a meduim that shows you an iner stucture of something. The healthy limit to have around humans is 20 kilohertz but it varys on the person.After the procedure you feel abit of tenderness around the area it was done on, after the precedure is finished you are able to do you normal activites such as straight piping your truck.==== ====In the examination there is a transducer than sends both sound waves and then receives echoing waves. When the transducer is on the skin it send high frequency sound waves into the body. The transducer then record information of the sound pitch and direction the image is than transfer and displayed on a computer. The image is shown by measurinfg the echo of the sound wave inside the body.==== ====Ultrasound is commonly used to evaluate pain, swelling, infection, hematuria.It is also good to examine internal organs like heart, liver, kiddney, bladder, and any other organs. it is used to see a baby inside of its mother.they are used to dtect the change in apearance of organs, tissues, vessels, and aother thing like tumors.====

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