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What Are the Differences Between the Ultrasound Machine and CT ?

Ultrasound machine examination, commonly known as "ultrasound machine", is a medical examination that patients frequently come into contact with during visits. In clinical practice, it is widely used in the diagnosis of cardiovascular, gastroenterological, urological, and obstetric-gynecological diseases.


Analysis of the advantages of handheld ultrasound machine


  • The scanning of handheld ultrasound can continuously and dynamically observe the movement and function of organs, can track lesions and display three-dimensional changes regardless of the limitations of their imaging layers. Currently, ultrasound examination has been recognized as the preferred examination method for biliary system diseases.

  • Ultrasound can also monitor blood flow and direction of visceral injuries and damage outside of solid organs (liver, pancreas, spleen, kidney, etc.), combined with Doppler technology to distinguish the nature and degree of organ damage. For example, doctors can directly see the various structures of the heart and whether there are any abnormalities through cardiac color ultrasound.

  • Mobile ultrasound machine offered by handheld ultrasound manufacturers is easy to move and non-invasive which can diagnose bedridden patients at their bedside.

  • Ultrasound has no radiation on the human body, so it can be preferred for special patients.


Differences between handheld ultrasound machines and CT


For ultrasound, its advantage is that it can directly and clearly observe the shape of the internal organs. For example, when measuring the size of the gallbladder or bile duct, this handheld ultrasound can easily calculate it, so the frequency of ultrasound use in hospitals is still high. Its disadvantage is that it is very difficult to examine bone structure, also difficult to examine organs that contain gas.


For CT, its advantage is that it has high accuracy in measuring high-density structures such as bones, and can also examine the direction of human blood vessels and various diseases. Therefore, in hospitals, people who have bone problems will generally use CT for examination. The disadvantage of the mobile ultrasound device is that CT examination has a large amount of radiation and some special groups cannot undergo such examination.


The use of handheld ultrasound and CT demonstrates the development of current medical technology. Although each instrument has its own advantages and disadvantages, each also has its specific purpose. This allows for targeted examination when people are sick. For example, pregnant women can have an ultrasound, while people with osteoporosis can undergo a CT. This kind of examination can avoid the occurrence of misdiagnosis and will also ensure meticulous examination.


Ultrasound Machine is currently one type of ultrasound diagnostic technology. Ultrasound diagnosis includes multiple ultrasound diagnostic technologies such as B-type ultrasound, color ultrasound, Doppler ultrasound, 3D ultrasound, and interventional ultrasound. As times change, people's concepts should also be constantly updated.

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