Computed Tomography (CT) scans

The CT/CAT scans stands for Computed Tomography which is the recent and modern diagnostic tool used by the medical professional team to identify and treat diseases. It is a machine which captures the images of the body that is to be studied in different cross sectional views and sizes. These images are examined in the computer monitor and printed. Any part of the body can be studied in depth including bones, blood vessels, soft tissues, brain or any internal organs. It uses powerful X- rays to capture images.

If you are planning to undergo a CT scan, it is everything you need to know about it. It includes the preparation, procedure, post-procedure and the uses of CT scan.

Preparation: Anxiety and fear of unknown will attack you if you are going for the procedure the first time. The procedure is painless but has little discomfort which is caused by lying still. A mild sedative will be administered before the procedure. An oral, intravenous or enema contrast will be administered. In case of oral contrast, you may experience metallic taste in the mouth, abdomnal fullness and some nausea. In case of intravenous contrast, a warm flushing sensation will be felt in the heart as well as metalic taste in the mouth which will last for few minutes. In case of enema or rectal contrast, you may feel the urge to expel it.

Rarely, people become allergic to these contrasts. Medical team will be readily available for your rescue in case of any anaphylactic reaction. If you experience any giddyness or breathing difficulty let the technician or the nurse in the room know. Then you will be positioned flat on the scanner. There will be a buzzing and whirling sounds coming from the machine.

Procedure: X-rays are passed through the body and images are captured. You may be asked to hold your breaths during the procedure. The procedure finishes within 15 to 30 minutes.

Post-procedure: After the procedure your results will be interpreted by the radiologist. The scan reports will be sent to the respective physician. You will be asked to drink a lot of fluids to excrete the contrasts.

Advantages:
1. It is an non-invasive procedure.
2. It has accurate results.
3. The procedure takes only a few minutes.
4. It has no side effects.
5. It can study any part of the body clearly and detaily.
6. It is cheaper compared to MRI.

Disadvantages:
1. It is expensive.
2. It emits radiation which might risk cancer in later days.
3. They are restricted to pregnant women and nursing mothers.

CT scans are proved to be the best diagnostic tool in recent times and the results are accurate. Hence make the best use of it.