What is the difference between three-dimensional color ultrasound and four-dimensional color ultrasound?

Ultrasound is a commonly used medical examination method that can be used to observe the organs and tissues inside the human body. Color ultrasound is an application technology of ultrasound that can display the speed and direction of blood flow through signals of different colors. On the basis of color ultrasound, there are two technologies: three-dimensional color ultrasound and four-dimensional color ultrasound. They are different in the three-dimensional sense and real-time nature of the image. Three-dimensional color ultrasound Three-dimensional color ultrasound is a technology that constructs a three-dimensional image by scanning images from multiple planes. It uses a technology called \”volume scanning\” to obtain different slice images by scanning from multiple angles, and then combines these slice images to form a three-dimensional image. Three-dimensional color ultrasound can provide more comprehensive and accurate image information, helping doctors locate and evaluate lesions. It has wide applications in fields such as obstetrics and gynecology, cardiology and oncology. Four-dimensional color ultrasound Four-dimensional color ultrasound is a technology that adds a time dimension to the three-dimensional color ultrasound. It can display dynamic images of the fetus in the womb in real time. By observing the movement and growth of the fetus, doctors can evaluate the development of the fetus. Four-dimensional color ultrasound can provide more vivid and realistic images, helping doctors better understand the health of the fetus. It has important applications in maternal health and fetal medicine. The new Chinese curriculum standard synchronizes primary school students\’ extracurricular reading \”Around the World in Eighty Days\” full-color ultra-clear pdf difference comparison between three-dimensional color Doppler ultrasound and four-dimensional color Doppler ultrasound in terms of the three-dimensional sense and real-time nature of the images. Three-dimensional color ultrasound can provide a three-dimensional image at a fixed moment, but it cannot observe the dynamic changes of objects. Four-dimensional color ultrasound can provide real-time dynamic images of the fetus, and doctors can observe various movements and growth processes of the fetus. In addition, the application fields of three-dimensional color ultrasound and four-dimensional color ultrasound are also different. Three-dimensional color ultrasound is mainly used in fields such as obstetrics and gynecology, cardiology and oncology, and can conduct a comprehensive evaluation of organs and lesions. Four-dimensional color ultrasound is mainly used for maternal health care and fetal medicine. It can observe the dynamic changes of the fetus in the womb and evaluate the development of the fetus. In general, three-dimensional color ultrasound and four-dimensional color ultrasound are both applications of ultrasound technology. They are different in the three-dimensional sense and real-time nature of the image, and have their own applications in different medical fields. Physicians can choose the appropriate ultrasound technology based on specific needs to provide more accurate and comprehensive diagnosis and assessment.