What is CT analysis?
Is a computerized tomography, an X-ray scan to take many images, and from different angles to the same cross-section that is photographed; so that the radiologist can diagnose the body segments and from more than one angle, so that a three-dimensional image of these images .
Uses of CT (CT)
- Detection of internal injuries to the body, accompanied by internal bleeding.
- Accuracy in tumor location, and blood clots.
- Detect injuries and bone and muscle disorders from rupture, breakage, and others.
- Diagnosis of diseases such as: cancers, heart disease, liver tumors, and others.
- Use in surgery, as a guide and diagnostic.
Risks of CT images
- Exposure to a very large volume of radiation, which leads to a large number of cancers; where the CT image is equivalent to thousands of traditional radiographs.
- Have a direct effect on people with asthma and allergies, and are often given an intensive drug program to prevent these diseases, before exposure to CT scans.
- The risk of exposing the pregnant woman to x-ray for fear of fetal safety.
- Serious side effects of contrast, which are used in some cases, to increase the accuracy of images taken.
Contrast is a special medical dye, which is inserted into the body to reach the member or part of the target body with CT images; it acts as a white background for those images, to increase its accuracy and clarity, and to identify the features of tissues and veins on them; So make a white background for the image.
CT scan equipment
- The patient’s medical examination, by examining his pressure and planning his heart.
- Ensure that the patient receives the necessary treatment, in case of chest or heart disease.
- Ensure that certain types of diabetes medications are not taken for at least eight hours before imaging.
- Ensure that there is no pregnancy in women.
- Remove all metal material, which can show in the picture.
- It is recommended to drink plenty of fluids after a CT scan, to help eliminate the contrast material.
- Take the contrast material if necessary, in the following ways:
- Intravenous or arterial injection, in order to deliver the contrast material to veins, arteries, liver and urinary tract, and is often diagnosed in the arteries of the heart of this article, which gives a clear outline of the condition of the arteries.
- Drink oral contrast, for the purpose of diagnosing the digestive system from the esophagus to the intestines.
- Injections through the anus, so as to deliver the material to the rectum, and then to the intestine; to take a diagnostic image of it.