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Following the more details about Color Ultrasound:
What's Color Ultrasound
Color Ultrasound simply means that the high resolution black and white B Ultrasound plus color Doppler,first talk about the ultrasonic frequency shift diagnostic method,namely D ultrasound,Doppler effect principle of this method,when the sound source and the receiver (i.e.when there is relative motion between the probe and reflector),echo frequency change,change this frequency is called frequency shift,D Ultrasound including pulse Doppler,continuous Doppler and color Doppler flow image.Currently,Color Ultrasound is the development direction of B-ultrasound within the medical field color Ultrasound.
Color Ultrasound Features
Color Doppler Ultrasound,for its Doppler signal processing is typically performed using an auto-correlation technique,the Doppler signals obtained from the related art after the color coded real-time ultrasound device superimposed on the two-dimensional image,that the formation of color Doppler ultrasound blood flow images.Thus,color Doppler (as color ultrasound) has the advantage of both the structure of two-dimensional ultrasound images,but also provides a wealth of information on the Hemodynamics,practical application has been widely appreciated and welcomed,known clinically “Non-invasive Angiography”.
Color Ultrasound Main Advantages
Under wide advantages of color ultrasound,its main predominant functions are complete eight aspects,they are: Color Ultrasound can quickly visualize the distribution of blood flow in the two-dimensional plane; display the running direction of blood flow; conducive to distinguish arteries and veins; beneficial to identify vascular disease and non-vascular lesions; beneficial to understand the nature of the blood flow; can easily understand the bloodstream phase and speed; reliably find diversion and regurgitation; and on the origins of blood flow can beam,width,length,area of quantitative analysis.
When we talk about related technology,the color ultrasound,which is used in ultrasound pulse,when the detected object speed is too high,the color of color flow will occur error,the quantitative analysis was significantly inferior to the spectral Doppler,color Doppler ultrasound now has spectral Doppler function,namely--color duplex (doppler) Ultrasound.
Next the Color Doppler Ultrasound(CDF),also known as cheap Color Doppler Ultrasound Imaging (CDI),sources of information it obtains and echo Doppler spectrum consistent with the distribution and direction of blood flow showed a two-dimensional display,different speeds in different colors to be distinguished.Duplex Doppler ultrasound system,which is a B-mode ultrasound image shows the location of the blood vessel.Doppler measurements of blood flow,this combination of B mode and Doppler systems can more precisely locate any particular blood vessel.
1.Direction of blood flow
In the spectral Doppler display to zero baseline distinguish direction of blood flow.Above the zero baseline represents blood flow to the probe,the following were shown zero baseline blood flow far from the transducer. In the CDI,a color-coded represent of blood flow direction,red or yellow chromatogram represent blood flow probe (hot color); and blue or blue-green blood chromatogram represent blood displaced probe.
2.Intraluminal vascular CDI blood flow show,and thus belong to the flow channel-type display,it can not display the vessel wall and the outer membrane.
3.Identification of the type of vascular nodules with CDI vascular liver nodules can be classified.Distinguish vascular around its periphery to the inner edge of the curved section of vascular.Inflow vascular nodules,nodules inside the blood vessels and other vessels and nodules outflow.
Meaning and risk 3D ultrasound
3D ultrasound is a medical ultrasound technique,often used in obstetric ultrasonography (during pregnancy)......
Do not lost in 3D ultrasound anymore
Some one confused to 3D Ultrasound recently,if you just lost in 3D Ultrasound function machine......