ct scan results if serious
Computed Tomography (Computed Tomography) What is a CT scanner? A computed tomography (CT or CAT) uses computers and rotary X-ray machines to create cross-sectional images of the body. These images provide more detailed information than normal X-ray images. They can show soft tissues, blood vessels and bones in various parts of the body. You can use a CT scan to view:During a CT scan, you are in a machine similar to the tunnel while the inside of the machine rotates and takes a series of X-rays from different angles. These images are sent to a computer, where they are combined to create slice images or cross-sections of the body. They can also be combined to produce a 3-D image of a particular area of the body. Computed tomography has many uses, but it is especially suitable for diagnosing diseases and evaluating injuries. The imaging technique can help your doctor: The test is minimally invasive and can be done quickly. Your doctor may give you a special dye called contrast material to help internal structures appear more clearly in X-ray images. The contrast material blocks the X-rays and appears white in the images, allowing it to highlight the intestines, blood vessels or other structures in the area under review. Depending on the part of your body that is being inspected, you may need to drink a fluid that contains the contrast. Alternatively, the contrast may need to be injected into your arm or administered through your rectum through an enema. If your doctor plans to use a contrast material, you may ask you to accelerate for four to six hours before your CT. When the time comes to perform the CT scan, you will be asked to change into a hospital gown and remove any metallic objects. Metal can interfere with the results of the CT scan. These items include jewelry, glasses and dentures. Your doctor will ask you to lie on a table that slides towards the CT scanner. They'll leave the exam room and go to the control room where they can see you and listen to you. You can communicate with them through an intercom. As the table slowly moves you to the scanner, the X-ray machine will spin around you. Each rotation produces numerous images of thin slices of your body. You can hear clicking on, buzzing and noise buzzing during exploration. The table will move a few millimeters at a time until the test is finished. The whole procedure can take anywhere from 20 minutes to an hour. It is very important to remain still while TC images are taken because the movement can result in blurry images. Your doctor may ask you to keep your breath for a short period of time during the test to prevent your chest from moving up and down. If a young child needs a CT scan, the doctor may recommend a sedative to prevent the child from moving. Once the CT scan is finished, the images are sent to a radiologist to be examined. A radiologist is a doctor who specializes in diagnosing and treating conditions using imaging techniques, such as computed tomography and X-ray. Your doctor will follow you to explain the results. There are very few risks associated with a CT scan. Although computed tomography exposes you to more radiation than typical X-rays, the risk of radiation-caused cancer is very small if you only have a scan. Your risk of cancer may increase over time if you have multiple X-rays or CT scans. The risk of cancer increases in children receiving CT scans, especially in the chest and abdomen. Some people have an allergic reaction to contrast material. Most contrast material contains iodine, so if you have had an adverse reaction to iodine in the past, make sure to notify your doctor. Your doctor may give you allergy or steroid medications to counter any potential side effect if you are allergic to iodine, but you should be contrasted. It is also important to tell your doctor if you are pregnant. Although the radiation of a CT scan is unlikely to damage your baby, your doctor may recommend another test, such as ultrasound or magnetic resonance imaging, to minimize risk. The results of the CT scan are considered normal if the radiologist did not see any tumor, blood clots, fractures, or other abnormalities in the images. If anomalies are detected during CT scan, more tests or treatments may be needed, depending on the type of anomaly found. Last medical review on 25 February 2016Read this following
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Framingham Cohort dbGaP Study Accession: phs000007.v22.p8 Note: This version of the study has been superseded. See most recent version Request Access Study version history Study phs000007.v1.p1 phs000007.v2.p1 phs000007.v3.p2 phs000007 ...
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