In daily ultrasound examinations, we often encounter patients asking "doctor, is this a color ultrasound? Why is there black and white?". B-ultrasound and Color Doppler Ultrasound are commonly used clinical examination methods. The so-called "B-ultrasound" is to use the probe to scan and repeatedly transmit and receive ultrasonic beams to form a two-dimensional section image displayed on the screen, that is, two-dimensional ultrasound. On the basis of the image map, the direction of blood flow and the relative speed of blood flow are displayed in real time in color. The most fundamental difference between B-ultrasound and color Doppler ultrasound is that color Doppler ultrasound can observe the speed and direction of blood flow and tissue movement in the human body, and can more comprehensively help clinical diagnosis of the tissues and organs examined. At present, most of the ultrasound examinations are B. A combination of ultrasound and color ultrasound. With the gradual improvement of medical conditions in our country, many large medical institutions have already eliminated this simple two-dimensional ultrasound equipment, and instead adopted the color Doppler ultrasound examination system, which is called "color Doppler ultrasound". There are different models of color Doppler ultrasound equipment for abdomen, heart, and three-dimensional. Color Doppler ultrasound actually includes various inspection and analysis software such as B-ultrasound, color Doppler, and M-mode echocardiography. The functions and application range are related to the specific configuration of the equipment. The functions of black-and-white ultrasound and color ultrasound can be easily distinguished. Simply put, "color Doppler ultrasound" is high-definition black and white B-ultrasound plus color Doppler technology. This technology can not only detect the shape and size of organs, but also detect the blood supply of organs, and can quickly and intuitively display the two-dimensional distribution of blood flow; it can display the running direction of blood flow; it is beneficial to distinguish arteries and veins; It is beneficial to understand the nature of blood flow; it is convenient to understand the phase and velocity of blood flow; it can reliably detect shunt and regurgitation; these ultrasonic manifestations and parameters play a very important auxiliary role in the diagnosis of clinical diseases. "Color ultrasound" can display changes in blood perfusion of organs or lesions, distinguish between solid and cystic masses, and prompt based on changes in blood flow spectrum of cystic and solid masses, such as blood flow velocity, shape, resistance, and blood perfusion The reference basis for qualitative diagnosis, such as low-resistance solid masses are more common in malignant tumors. And it also plays an important role in the identification and evaluation of diseases in obstetrics and gynecology. Therefore, the clinical application of color Doppler ultrasound is more than that of B-ultrasound. Therefore, there are differences between "color ultrasound" and "B Ultrasound", but they also have something in common. They cannot be equated with the difference between color TV and black and white TV. I hope these little knowledge can better help you understand the difference between "color ultrasound" and "B ultrasound".
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