For B-ultrasound, its advantage is that you can see the shape of the internal organs. For example, when you measure the size or bile duct size, you can use this B-ultrasound instrument to be easily calculated, so in the hospital B-ultrasound Use frequencies or very high. The disadvantage is that it is very difficult to check the bones, and it is very difficult to detect with the inspection with a gas organ.
For CT, it has the advantage of measuring the low density of the bone is also particularly accurate, and the direction of the human blood vessels and various diseases can also be checked. So in the hospital, if people suffering from the problem of bones generally use CT to check. The disadvantage is that CT checks radiation is particularly large, and some special people cannot do this.
The application of B-ultrasound and CT indicates the development of medical technology, although each instrument has its advantages and disadvantages, but every instrument has its depth. In this way, you can do it to check when you are sick. For example, pregnant mother can do B-ultrasound, and people with osteoprosive disease can be understood by CT. In this way, it will check very well, and on the other hand, it will also avoid misdiagnosis.
