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UOTW_4_-_Ultrasound_of_the_Week_1.webm (WebM audio/video file, VP8, length 9.2 s, 792 × 470 pixels, 958 kbps overall, file size: 1.05 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Headphones allow humans to listen to ultrasound as well. A high pitched 'buzzing sound' in bearings indicates flaws in the contact surfaces, and when partial blockages occur in high pressure fluids the orifice will cause a large amount of ultrasonic noise. Ultrasound is used in the Shock Pulse Method [19] of condition monitoring.
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.
Diagnostic medical sonography (DMS), a branch of diagnostic medical imaging, is the use of imaging by medical ultrasound for medical diagnosis. DMS uses non-ionizing ultrasound to produce 2D and 3D images of the body. In Canada, the credentialing for diagnostic medical sonography is the Canadian Association of Registered Ultrasound Professionals.
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UOTW_1_-_Ultrasound_of_the_Week_1.webm (WebM audio/video file, VP8, length 6.9 s, 792 × 470 pixels, 1 Mbps overall, file size: 847 KB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Reflected ultrasound comes from an interface, such as the back wall of the object or from an imperfection within the object. The diagnostic machine displays these results in the form of a signal with an amplitude representing the intensity of the reflection and the distance, representing the arrival time of the reflection.
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