ultrasound scanning

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• 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 marker — the appearance, on ultrasound examination of a pregnant woman, of a particular physical abnormality in the fetus at a specific stage in fetal development. Such markers suggest the presence of specific chromosomal or developmental abnormalities.… …   Medical dictionary

• ultrasound marker — the appearance, on ultrasonography of a pregnant woman, of a feature suggesting an abnormality in the fetus. Such markers can be classified as major fetal structural abnormalities or minor ultrasound features called soft markers. The latter are… …   The new mediacal 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

• High intensity focused ultrasound — HIFU (high intensity focused ultrasound) (sometimes FUS or HIFUS) is a highly precise medical procedure using high intensity focused ultrasound to heat and destroy pathogenic tissue rapidly. It is one modality of therapeutic ultrasound, and… …   Wikipedia

• High-intensity focused ultrasound — Contents 1 Theory 2 Aiming 3 How HIFU works 4 Method of use …   Wikipedia

• Contrast-enhanced ultrasound — (CEUS) is the application of ultrasound contrast medium to traditional medical sonography. Ultrasound contrast agents rely on the different ways in which sound waves are reflected from interfaces between substances. This may be the surface of a… …   Wikipedia

• Emergency ultrasound — is the specialized application of ultrasound by emergency responders, such as paramedics, to guide immediate care and first aid procedures. Like conventional ultrasound, it is a device that produces cyclic sound pressure to penetrate a medium… …   Wikipedia

• Portable ultrasound — Contents 1 Portable ultrasound machines 2 History 3 Uses 4 References Portable ultrasound machines A me …   Wikipedia

• nuchal translucency scanning — NT scanning an ultrasound screening test performed during pregnancy at 11 weeks of gestation that measures the maximum thickness of the translucency between the skin and the soft tissue overlying the cervical (neck) region of the spine of the… …   The new mediacal dictionary

• nuchal thickness scanning — an ultrasound screening test performed during pregnancy at 10 14 weeks of gestation that looks specifically at the thickness of the skin at the back of the neck (the nuchal fold) of the fetus as an aid to the prenatal diagnosis of chromosomal… …   Medical dictionary