What Is Doppler Color Doppler Ultrasound, Why Do Color Doppler Ultrasound Color?

  Author:MeCan Medical–ultrasound machine manufacturers

The full name of our "color Doppler ultrasound" is called color Doppler ultrasound. It is a medical device that integrates multi -disciplinary technologies such as acoustics, information detection, electronic technology, microcontroller technology, etc. The difference from black and white ultrasound is to increase color, but This color is pseudo -colored. Based on B -ultrasound, it uses red and blue to display the blood flow of the human heart and larger blood vessels, and it can further display the blood flow supply of tissue organs or lesions. So why is Doppler color Doppler ultrasound color?

First of all, the basic principle of ultrasonic diagnosis is to launch ultrasound to the human body through the ultrasound. After encountering different tissues and organs of the human body, the ultrasound reflects some ultrasonic reflexes to the ultrasound instrument, and uses the differences between the echo signal between different tissues to display the image. Among them, the B -ultrasound is used in the Brightness mode (Brightness) mode to display the echo signal of different organizations. Therefore, its image is displayed on the screen in the dark and white mode, and the first English letter of the brightness is B, so it is said that it is called B -ultrasound; Doppler color Doppler ultrasound is based on the B -ultrasound Doppler effect to detect the tissue of high -speed movement in the human body (mainly the heart and blood vessels), and is superimposed in the B -ultrasound image in the form of color codes. Above, the blood flow of the tissue is displayed on the B -ultrasound black and white image.

In short, the color of Doppler color Doppler ultrasound is a blood flow signal of tissue or lesions, not the color display of the entire display screen. Therefore, the "color Doppler ultrasound" result we usually get often shows that there is only one piece of blue Color or red color blood vessels, instead of the entire image as color TV reality is color. If the tissue blood flow observed is not obvious, the image of the "color Doppler ultrasound" cannot be displayed, and it looks no different from the pictures of the black and white B -ultrasound.

Doppler color Doppler ultrasound is mainly used in cardiovascular, abdominal organs, peripheral blood vessels and fetal ultrasound examination. In clinical work, doctors first observe the morphological structure of organ or lesion tissue with the "B -ultrasound", and then use the "color Doppler ultrasound" "Explore the blood flow situation inside and around the lesion, and can analyze parameters such as blood flow speed and spectrum, which greatly improves the sensitivity and accuracy of ultrasonic diagnosis.

What Is Doppler Color Doppler Ultrasound, Why Do Color Doppler Ultrasound Color? 1

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