technique par ultra-sons — ultragarso technika statusas T sritis radioelektronika atitikmenys: angl. ultrasound technique vok. Ultraschalltechnik, f rus. ультразвуковая техника, f pranc. technique par ultra sons, f … Radioelektronikos terminų žodynas
Ultrasound (disambiguation) — Ultrasound is sound with a frequency greater than the upper limit of human hearing. Ultrasonic is an adjective referring to ultrasound.: Ultrasound and ultrasonic may also refer to: *Medical Sonography, sometimes called Medical ultrasonography,… … Wikipedia
Ultrasound — Not to be confused with Supersonic .Ultrasound is cyclic sound pressure with a frequency greater than the upper limit of human hearing. Although this limit varies from person to person, it is approximately 20 kilohertz (20,000 hertz) in healthy,… … Wikipedia
Ultrasound — High frequency sound waves. Ultrasound waves can be bounced off of tissues using special devices. The echoes are then converted into a picture called a sonogram. Ultrasound imaging, referred to as ultrasonography, allows physicians and patients… … Medical dictionary
Ultrasound, Doppler — A form of ultrasound that can detect and measure blood flow. Doppler ultrasound depends on the Doppler effect, a change in the frequency of a wave resulting here from the motion of a reflector, the red blood cell. There are several kinds of… … Medical dictionary
Ultrasound, transvaginal — A technique in which sound waves are sent out by an ultrasound probe that has been inserted in the vagina. The waves go through the vaginal wall and bounce off the ovaries, and a computer uses the ultrasound echoes to create a picture (a… … Medical dictionary
ultrasound dilution technique — a technique for measuring blood flow and access recirculation in hemodialysis patients: ultrasound sensors are attached to the venous and arterial catheters in their normal positions and blood flow is checked; then they are reversed, the… … Medical dictionary
ultrasound — noun Date: 1923 1. vibrations of the same physical nature as sound but with frequencies above the range of human hearing 2. the diagnostic or therapeutic use of ultrasound and especially a noninvasive technique involving the formation of a two… … New Collegiate Dictionary
3D ultrasound — is a medical ultrasound technique used during pregnancy, providing three dimensional images of the fetus. Often these images are captured rapidly and animated to produce a 4D ultrasound .There are several different scanning modes in medical and… … Wikipedia
4D ultrasound — noun a) A medical ultrasound technique that produces a sequence of 3D images over time. b) An image so produced. See Also: 3D ultrasound … Wiktionary