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OTHER NAMES
- Abdominal TAC
- Abdomen scanner
- Spiral scanner of the abdomen
DEFINITION
A scanner computarizada is the achievement of radiographies of the body from many angles. The images of the radiographies are detected by an exploratory device (scanner) and they analyzed by a computer that constructs an image secuenciada for courts of the explored organ. These images can be printed on a radiography or be seen in a television monitor.
HOW IS IT REALIZED
The scanner is a big machine with a tunnel in his center. The patient, knocked down mouth arrives, gets in this tunnel by means of a stretcher deslizante. On having been inside, the patient can feel something of claustrophobia, for it those who already have a problem of this type will have to consult it with his doctor previously. It is possible to realize a study without contrast or to be necessary to apply a contrast to see better certain structures. To apply the contrast a route will take, that is to say a prick will be realized in a vein of the arm or of the hand, to be able to apply the contrast way in a concrete moment of the exploration. Since there are persons who have had previous problems with iodine contrasts credit debit a few previous instructions in every patient, and the medical radiologist to know it to apply the previous treatment corresponding to every case. Sometimes a previous treatment is done for a better tolerance to the contrast. In general it is possible to notice a general heat on having applied the contrast but it is normal and this does not prevent the test. During the test it is possible that they indicate him that I stopped breathing in a few seconds, and in other occasions it will not need.
PREPARATION FOR THE ABDOMINAL TAC
One recommends to be usually on an empty stomach in 6 hours before to the study. They will put a robe or nightgown to be comfortable and to be able to apply the contrast if it is necessary, avoiding interferences of the clothes or materials in the exploration.
PROBLEMS AND POSSIBLE RISKS
The study if it is not painful, can generate something of claustrophobia, and it is uncomfortable length being knocked down in a hard stretcher during a little bit.
The prick to put the contrast can be annoying.
The radiation that it produces is usually quite low but the abdominal TAC must be avoided during the pregnancy. The contrast application iodado usually gives heat and sensation to taste cash in the mouth. The abnormal reactions to contrast means iodado can be:
- Set sail:
- hives,
- itch,
- alterations in the ECG,
- morning sickness and vomiting,
- facial reddening,
- conjunctivitis,
- rinitis,
- migraine,
- sudoración.
- Burden:
- widespread hives,
- shock,
- convulsions,
- angioedema,
- pulmonary edema,
- sharp renal insufficiency,
- broncospasmo,
- thoracic pain,
- cardiac arrhythmia,
- coagulopatía of consumption,
- cardio-respiratory unemployment.
- Potentially fatal:
- Shock.
- Convulsions.
- Broncospasmo.
- Pulmonary edema.
- Renal insufficiency.
- Laryngeal edema.
- Arrhythmia or cardiac unemployment.
WHY IS THE TEST REALIZED
The abdominal TAC is a slightly aggressive test and that offers to the doctor a lot of information about the state of the abdominal organs.
It can be useful to evaluate the presence of tumors, litiasis, infections, or vascular problems.
If they turn out to be proved abnormal it can be for:
- Aneurisma of abdominal aorta
- Abcesos
- Appendicitis
- Kidney cancer
- Uréter cancer
- Liver cancer
- Cancer of biliary routes
- Colecistitis
- Colelitiasis
- Hemorrhages
- Hidronefrosis
- Intestinal inflammation
- Leukemia
- Linfomas
- Renal obstructions
- Pancreatitis
- Cyst hidatídico
- Adrenal glands tumors
- Etc...
TO SEE ALSO
WHAT DOCTOR CAN TREAT ME?
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