Animal B-ultrasound color Doppler, also known as two-dimensional Doppler, displays the obtained blood flow information in color through phase detection, white correlation processing, color grayscale encoding, average blood flow velocity, and other data, and combines them to superimpose and display them on B-type grayscale images.

It displays blood flow more intuitively, showing the nature and velocity of blood flow, as well as its distribution in the heart and blood vessels, faster and more intuitively than pulse Doppler. Animal B-ultrasound color Doppler has unique advantages in displaying left to right shunt blood flow and valve regurgitation blood flow.

The application of animal B-ultrasound and color Doppler ultrasound can be almost extended to the entire body's blood vessels, such as the heart and abdominal large blood vessels, brain and small organ blood vessels, peripheral blood vessels, organ blood vessels (including transplanted blood vessels), etc. With the advancement of computer multimedia and the development of high-end veterinary B-ultrasound color ultrasound diagnostic software.

Modern CDFI technology is also advancing rapidly, from analog digital hybrid processing to full digitization, and from full digitization to the information age. After CDFI, technologies such as color Doppler energy imaging, Doppler tissue imaging, color Doppler velocity energy imaging, energy harmonic imaging, three-dimensional energy Doppler, and Doppler tissue energy contrast imaging have successively emerged.

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